Home / 3,979.95-5,973.11-2,337.87

Finding the Fourth Proportional to 3,979.95, 5,973.11 and 2,337.87

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Solution

The fourth proportional to 3,979.95, 5,973.11 and 2,337.87 is: 3,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.95 : 5,973.11 = 2,337.87 : x
  2. Step 2: Convert to fraction form
    3,979.95/5,973.11 = 2,337.87/x
  3. Step 3: Cross multiply
    3,979.95x = 5,973.11 × 2,337.87
  4. Step 4: Simplify right side
    3,979.95x = 13,964,374.15
  5. Step 5: Solve for x
    x = 13,964,374.15/3,979.95
  6. Step 6: Final answer
    x = 3,508.68

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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.