Home / 1,553.58-2,331.38-1,451.12

Finding the Fourth Proportional to 1,553.58, 2,331.38 and 1,451.12

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Solution

The fourth proportional to 1,553.58, 2,331.38 and 1,451.12 is: 2,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.58 : 2,331.38 = 1,451.12 : x
  2. Step 2: Convert to fraction form
    1,553.58/2,331.38 = 1,451.12/x
  3. Step 3: Cross multiply
    1,553.58x = 2,331.38 × 1,451.12
  4. Step 4: Simplify right side
    1,553.58x = 3,383,104.12
  5. Step 5: Solve for x
    x = 3,383,104.12/1,553.58
  6. Step 6: Final answer
    x = 2,177.62

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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.