Home / 3,207.56-4,425.12-2,159.96

Finding the Fourth Proportional to 3,207.56, 4,425.12 and 2,159.96

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Solution

The fourth proportional to 3,207.56, 4,425.12 and 2,159.96 is: 2,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.56 : 4,425.12 = 2,159.96 : x
  2. Step 2: Convert to fraction form
    3,207.56/4,425.12 = 2,159.96/x
  3. Step 3: Cross multiply
    3,207.56x = 4,425.12 × 2,159.96
  4. Step 4: Simplify right side
    3,207.56x = 9,558,082.20
  5. Step 5: Solve for x
    x = 9,558,082.20/3,207.56
  6. Step 6: Final answer
    x = 2,979.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.