Home / 1,252.56-1,877.58-929.38

Finding the Fourth Proportional to 1,252.56, 1,877.58 and 929.38

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Solution

The fourth proportional to 1,252.56, 1,877.58 and 929.38 is: 1,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.56 : 1,877.58 = 929.38 : x
  2. Step 2: Convert to fraction form
    1,252.56/1,877.58 = 929.38/x
  3. Step 3: Cross multiply
    1,252.56x = 1,877.58 × 929.38
  4. Step 4: Simplify right side
    1,252.56x = 1,744,985.30
  5. Step 5: Solve for x
    x = 1,744,985.30/1,252.56
  6. Step 6: Final answer
    x = 1,393.14

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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.