Home / 1,716.40-2,369.51-1,087.58

Finding the Fourth Proportional to 1,716.40, 2,369.51 and 1,087.58

Calculator

Solution

The fourth proportional to 1,716.40, 2,369.51 and 1,087.58 is: 1,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.40 : 2,369.51 = 1,087.58 : x
  2. Step 2: Convert to fraction form
    1,716.40/2,369.51 = 1,087.58/x
  3. Step 3: Cross multiply
    1,716.40x = 2,369.51 × 1,087.58
  4. Step 4: Simplify right side
    1,716.40x = 2,577,031.69
  5. Step 5: Solve for x
    x = 2,577,031.69/1,716.40
  6. Step 6: Final answer
    x = 1,501.42

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.