Home / 3,344.60-5,016.90-3,279.80

Finding the Fourth Proportional to 3,344.60, 5,016.90 and 3,279.80

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Solution

The fourth proportional to 3,344.60, 5,016.90 and 3,279.80 is: 4,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.60 : 5,016.90 = 3,279.80 : x
  2. Step 2: Convert to fraction form
    3,344.60/5,016.90 = 3,279.80/x
  3. Step 3: Cross multiply
    3,344.60x = 5,016.90 × 3,279.80
  4. Step 4: Simplify right side
    3,344.60x = 16,454,428.62
  5. Step 5: Solve for x
    x = 16,454,428.62/3,344.60
  6. Step 6: Final answer
    x = 4,919.70

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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.