Home / 3,229.28-4,839.33-1,353.15

Finding the Fourth Proportional to 3,229.28, 4,839.33 and 1,353.15

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Solution

The fourth proportional to 3,229.28, 4,839.33 and 1,353.15 is: 2,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.28 : 4,839.33 = 1,353.15 : x
  2. Step 2: Convert to fraction form
    3,229.28/4,839.33 = 1,353.15/x
  3. Step 3: Cross multiply
    3,229.28x = 4,839.33 × 1,353.15
  4. Step 4: Simplify right side
    3,229.28x = 6,548,315.19
  5. Step 5: Solve for x
    x = 6,548,315.19/3,229.28
  6. Step 6: Final answer
    x = 2,027.80

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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.