Home / 2,726.28-4,086.38-1,082.39

Finding the Fourth Proportional to 2,726.28, 4,086.38 and 1,082.39

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Solution

The fourth proportional to 2,726.28, 4,086.38 and 1,082.39 is: 1,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.28 : 4,086.38 = 1,082.39 : x
  2. Step 2: Convert to fraction form
    2,726.28/4,086.38 = 1,082.39/x
  3. Step 3: Cross multiply
    2,726.28x = 4,086.38 × 1,082.39
  4. Step 4: Simplify right side
    2,726.28x = 4,423,039.12
  5. Step 5: Solve for x
    x = 4,423,039.12/2,726.28
  6. Step 6: Final answer
    x = 1,622.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.