Home / 3,655.14-5,487.57-1,708.71

Finding the Fourth Proportional to 3,655.14, 5,487.57 and 1,708.71

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Solution

The fourth proportional to 3,655.14, 5,487.57 and 1,708.71 is: 2,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.14 : 5,487.57 = 1,708.71 : x
  2. Step 2: Convert to fraction form
    3,655.14/5,487.57 = 1,708.71/x
  3. Step 3: Cross multiply
    3,655.14x = 5,487.57 × 1,708.71
  4. Step 4: Simplify right side
    3,655.14x = 9,376,665.73
  5. Step 5: Solve for x
    x = 9,376,665.73/3,655.14
  6. Step 6: Final answer
    x = 2,565.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.