we can use the formula
[tex]C=c\times(1+t)^n[/tex]Where C is the total capital, c the initial capital, t the interest rate and n the years
we just replace
[tex]C=2500\times(1+0.155)^3[/tex][tex]C=3851.99\approx3852[/tex]at the end of 3 years will be $3852