Home / 4,082.40-5,636.52-2,757.96

Finding the Fourth Proportional to 4,082.40, 5,636.52 and 2,757.96

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Solution

The fourth proportional to 4,082.40, 5,636.52 and 2,757.96 is: 3,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.40 : 5,636.52 = 2,757.96 : x
  2. Step 2: Convert to fraction form
    4,082.40/5,636.52 = 2,757.96/x
  3. Step 3: Cross multiply
    4,082.40x = 5,636.52 × 2,757.96
  4. Step 4: Simplify right side
    4,082.40x = 15,545,296.70
  5. Step 5: Solve for x
    x = 15,545,296.70/4,082.40
  6. Step 6: Final answer
    x = 3,807.88

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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.