Home / 1,252.17-1,882.31-1,213.29

Finding the Fourth Proportional to 1,252.17, 1,882.31 and 1,213.29

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Solution

The fourth proportional to 1,252.17, 1,882.31 and 1,213.29 is: 1,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.17 : 1,882.31 = 1,213.29 : x
  2. Step 2: Convert to fraction form
    1,252.17/1,882.31 = 1,213.29/x
  3. Step 3: Cross multiply
    1,252.17x = 1,882.31 × 1,213.29
  4. Step 4: Simplify right side
    1,252.17x = 2,283,781.83
  5. Step 5: Solve for x
    x = 2,283,781.83/1,252.17
  6. Step 6: Final answer
    x = 1,823.86

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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.