Home / 1,013.27-1,519.61-282.87

Finding the Fourth Proportional to 1,013.27, 1,519.61 and 282.87

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Solution

The fourth proportional to 1,013.27, 1,519.61 and 282.87 is: 424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.27 : 1,519.61 = 282.87 : x
  2. Step 2: Convert to fraction form
    1,013.27/1,519.61 = 282.87/x
  3. Step 3: Cross multiply
    1,013.27x = 1,519.61 × 282.87
  4. Step 4: Simplify right side
    1,013.27x = 429,850.67
  5. Step 5: Solve for x
    x = 429,850.67/1,013.27
  6. Step 6: Final answer
    x = 424.22

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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.