Home / 3,229.60-4,838.39-2,712.96

Finding the Fourth Proportional to 3,229.60, 4,838.39 and 2,712.96

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Solution

The fourth proportional to 3,229.60, 4,838.39 and 2,712.96 is: 4,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.60 : 4,838.39 = 2,712.96 : x
  2. Step 2: Convert to fraction form
    3,229.60/4,838.39 = 2,712.96/x
  3. Step 3: Cross multiply
    3,229.60x = 4,838.39 × 2,712.96
  4. Step 4: Simplify right side
    3,229.60x = 13,126,320.78
  5. Step 5: Solve for x
    x = 13,126,320.78/3,229.60
  6. Step 6: Final answer
    x = 4,064.38

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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.