Home / 3,479.28-5,218.92-2,934.96

Finding the Fourth Proportional to 3,479.28, 5,218.92 and 2,934.96

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Solution

The fourth proportional to 3,479.28, 5,218.92 and 2,934.96 is: 4,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.28 : 5,218.92 = 2,934.96 : x
  2. Step 2: Convert to fraction form
    3,479.28/5,218.92 = 2,934.96/x
  3. Step 3: Cross multiply
    3,479.28x = 5,218.92 × 2,934.96
  4. Step 4: Simplify right side
    3,479.28x = 15,317,321.44
  5. Step 5: Solve for x
    x = 15,317,321.44/3,479.28
  6. Step 6: Final answer
    x = 4,402.44

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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.