What note can be located at the 3rd fret of the 4th (D) string?

The note located at the 3rd fret of the 4th (D) string is F. To understand this, we can refer to the musical alphabet, which consists of the notes A, B, C, D, E, F, and G.

When playing on a guitar, each fret raises the pitch of the note on the string by one half step (or semitone). The 4th string, which is the D string, plays the note D when it is open (not pressed down).

Moving up the neck, the 1st fret of the D string will produce an E, the 2nd fret will produce an F, and the 3rd fret will produce an F. Therefore, pressing down on the 3rd fret of the D string gives you the note F.

Knowing the layout of the guitar fretboard is fundamental for identifying notes and improving your overall understanding of music theory as it relates to guitar playing.