Home / 2,285.35-3,427.98-725.29

Finding the Fourth Proportional to 2,285.35, 3,427.98 and 725.29

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Solution

The fourth proportional to 2,285.35, 3,427.98 and 725.29 is: 1,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.35 : 3,427.98 = 725.29 : x
  2. Step 2: Convert to fraction form
    2,285.35/3,427.98 = 725.29/x
  3. Step 3: Cross multiply
    2,285.35x = 3,427.98 × 725.29
  4. Step 4: Simplify right side
    2,285.35x = 2,486,279.61
  5. Step 5: Solve for x
    x = 2,486,279.61/2,285.35
  6. Step 6: Final answer
    x = 1,087.92

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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.