Home / 3,620.22-5,424.85-2,691.42

Finding the Fourth Proportional to 3,620.22, 5,424.85 and 2,691.42

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Solution

The fourth proportional to 3,620.22, 5,424.85 and 2,691.42 is: 4,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.22 : 5,424.85 = 2,691.42 : x
  2. Step 2: Convert to fraction form
    3,620.22/5,424.85 = 2,691.42/x
  3. Step 3: Cross multiply
    3,620.22x = 5,424.85 × 2,691.42
  4. Step 4: Simplify right side
    3,620.22x = 14,600,549.79
  5. Step 5: Solve for x
    x = 14,600,549.79/3,620.22
  6. Step 6: Final answer
    x = 4,033.06

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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.