Home / 2,553.13-3,830.24-887.31

Finding the Fourth Proportional to 2,553.13, 3,830.24 and 887.31

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Solution

The fourth proportional to 2,553.13, 3,830.24 and 887.31 is: 1,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.13 : 3,830.24 = 887.31 : x
  2. Step 2: Convert to fraction form
    2,553.13/3,830.24 = 887.31/x
  3. Step 3: Cross multiply
    2,553.13x = 3,830.24 × 887.31
  4. Step 4: Simplify right side
    2,553.13x = 3,398,605.29
  5. Step 5: Solve for x
    x = 3,398,605.29/2,553.13
  6. Step 6: Final answer
    x = 1,331.15

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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.