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Finding the Fourth Proportional to 3,473.01, 5,200.20 and 2,379.51

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Solution

The fourth proportional to 3,473.01, 5,200.20 and 2,379.51 is: 3,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.01 : 5,200.20 = 2,379.51 : x
  2. Step 2: Convert to fraction form
    3,473.01/5,200.20 = 2,379.51/x
  3. Step 3: Cross multiply
    3,473.01x = 5,200.20 × 2,379.51
  4. Step 4: Simplify right side
    3,473.01x = 12,373,927.90
  5. Step 5: Solve for x
    x = 12,373,927.90/3,473.01
  6. Step 6: Final answer
    x = 3,562.88

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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.