Home / 3,226.28-4,839.42-2,738.12

Finding the Fourth Proportional to 3,226.28, 4,839.42 and 2,738.12

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Solution

The fourth proportional to 3,226.28, 4,839.42 and 2,738.12 is: 4,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.28 : 4,839.42 = 2,738.12 : x
  2. Step 2: Convert to fraction form
    3,226.28/4,839.42 = 2,738.12/x
  3. Step 3: Cross multiply
    3,226.28x = 4,839.42 × 2,738.12
  4. Step 4: Simplify right side
    3,226.28x = 13,250,912.69
  5. Step 5: Solve for x
    x = 13,250,912.69/3,226.28
  6. Step 6: Final answer
    x = 4,107.18

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Similar ratio
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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.