Home / 1,545.43-2,318.49-571.53

Finding the Fourth Proportional to 1,545.43, 2,318.49 and 571.53

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Solution

The fourth proportional to 1,545.43, 2,318.49 and 571.53 is: 857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.43 : 2,318.49 = 571.53 : x
  2. Step 2: Convert to fraction form
    1,545.43/2,318.49 = 571.53/x
  3. Step 3: Cross multiply
    1,545.43x = 2,318.49 × 571.53
  4. Step 4: Simplify right side
    1,545.43x = 1,325,086.59
  5. Step 5: Solve for x
    x = 1,325,086.59/1,545.43
  6. Step 6: Final answer
    x = 857.42

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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.