Home / 1,543.29-2,314.33-503.02

Finding the Fourth Proportional to 1,543.29, 2,314.33 and 503.02

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Solution

The fourth proportional to 1,543.29, 2,314.33 and 503.02 is: 754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.29 : 2,314.33 = 503.02 : x
  2. Step 2: Convert to fraction form
    1,543.29/2,314.33 = 503.02/x
  3. Step 3: Cross multiply
    1,543.29x = 2,314.33 × 503.02
  4. Step 4: Simplify right side
    1,543.29x = 1,164,154.28
  5. Step 5: Solve for x
    x = 1,164,154.28/1,543.29
  6. Step 6: Final answer
    x = 754.33

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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.