Home / 3,286.60-4,919.10-2,552.20

Finding the Fourth Proportional to 3,286.60, 4,919.10 and 2,552.20

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Solution

The fourth proportional to 3,286.60, 4,919.10 and 2,552.20 is: 3,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.60 : 4,919.10 = 2,552.20 : x
  2. Step 2: Convert to fraction form
    3,286.60/4,919.10 = 2,552.20/x
  3. Step 3: Cross multiply
    3,286.60x = 4,919.10 × 2,552.20
  4. Step 4: Simplify right side
    3,286.60x = 12,554,527.02
  5. Step 5: Solve for x
    x = 12,554,527.02/3,286.60
  6. Step 6: Final answer
    x = 3,819.91

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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.