Home / 2,254.20-3,381.28-610.92

Finding the Fourth Proportional to 2,254.20, 3,381.28 and 610.92

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Solution

The fourth proportional to 2,254.20, 3,381.28 and 610.92 is: 916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.20 : 3,381.28 = 610.92 : x
  2. Step 2: Convert to fraction form
    2,254.20/3,381.28 = 610.92/x
  3. Step 3: Cross multiply
    2,254.20x = 3,381.28 × 610.92
  4. Step 4: Simplify right side
    2,254.20x = 2,065,691.58
  5. Step 5: Solve for x
    x = 2,065,691.58/2,254.20
  6. Step 6: Final answer
    x = 916.37

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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.