Solve for x.

x/3 = 3 1/4

X/3 = 3 1/4

Multiply 3 to both sides:

x = 3 1/4 * 3

Convert 3 1/4 into an improper fraction:

x = 13/4 * 3

Multiply 3 to the numerator and keep the denominator:

x = 39/4

Convert to a mixed number:

x = 9 3/4