Home / 1,545.29-2,318.13-572.07

Finding the Fourth Proportional to 1,545.29, 2,318.13 and 572.07

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Solution

The fourth proportional to 1,545.29, 2,318.13 and 572.07 is: 858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.29 : 2,318.13 = 572.07 : x
  2. Step 2: Convert to fraction form
    1,545.29/2,318.13 = 572.07/x
  3. Step 3: Cross multiply
    1,545.29x = 2,318.13 × 572.07
  4. Step 4: Simplify right side
    1,545.29x = 1,326,132.63
  5. Step 5: Solve for x
    x = 1,326,132.63/1,545.29
  6. Step 6: Final answer
    x = 858.18

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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.