Home / 3,229.39-4,836.79-3,156.49

Finding the Fourth Proportional to 3,229.39, 4,836.79 and 3,156.49

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Solution

The fourth proportional to 3,229.39, 4,836.79 and 3,156.49 is: 4,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.39 : 4,836.79 = 3,156.49 : x
  2. Step 2: Convert to fraction form
    3,229.39/4,836.79 = 3,156.49/x
  3. Step 3: Cross multiply
    3,229.39x = 4,836.79 × 3,156.49
  4. Step 4: Simplify right side
    3,229.39x = 15,267,279.27
  5. Step 5: Solve for x
    x = 15,267,279.27/3,229.39
  6. Step 6: Final answer
    x = 4,727.60

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1.5x scale

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.