Home / 3,229.28-4,839.29-1,839.74

Finding the Fourth Proportional to 3,229.28, 4,839.29 and 1,839.74

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Solution

The fourth proportional to 3,229.28, 4,839.29 and 1,839.74 is: 2,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.28 : 4,839.29 = 1,839.74 : x
  2. Step 2: Convert to fraction form
    3,229.28/4,839.29 = 1,839.74/x
  3. Step 3: Cross multiply
    3,229.28x = 4,839.29 × 1,839.74
  4. Step 4: Simplify right side
    3,229.28x = 8,903,035.38
  5. Step 5: Solve for x
    x = 8,903,035.38/3,229.28
  6. Step 6: Final answer
    x = 2,756.97

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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.