Home / 3,545.31-5,320.01-2,447.71

Finding the Fourth Proportional to 3,545.31, 5,320.01 and 2,447.71

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Solution

The fourth proportional to 3,545.31, 5,320.01 and 2,447.71 is: 3,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.31 : 5,320.01 = 2,447.71 : x
  2. Step 2: Convert to fraction form
    3,545.31/5,320.01 = 2,447.71/x
  3. Step 3: Cross multiply
    3,545.31x = 5,320.01 × 2,447.71
  4. Step 4: Simplify right side
    3,545.31x = 13,021,841.68
  5. Step 5: Solve for x
    x = 13,021,841.68/3,545.31
  6. Step 6: Final answer
    x = 3,672.98

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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.