Home / 3,098.42-4,644.90-2,179.88

Finding the Fourth Proportional to 3,098.42, 4,644.90 and 2,179.88

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Solution

The fourth proportional to 3,098.42, 4,644.90 and 2,179.88 is: 3,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.42 : 4,644.90 = 2,179.88 : x
  2. Step 2: Convert to fraction form
    3,098.42/4,644.90 = 2,179.88/x
  3. Step 3: Cross multiply
    3,098.42x = 4,644.90 × 2,179.88
  4. Step 4: Simplify right side
    3,098.42x = 10,125,324.61
  5. Step 5: Solve for x
    x = 10,125,324.61/3,098.42
  6. Step 6: Final answer
    x = 3,267.90

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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.