Home / 3,425.92-5,138.72-2,382.84

Finding the Fourth Proportional to 3,425.92, 5,138.72 and 2,382.84

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Solution

The fourth proportional to 3,425.92, 5,138.72 and 2,382.84 is: 3,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.92 : 5,138.72 = 2,382.84 : x
  2. Step 2: Convert to fraction form
    3,425.92/5,138.72 = 2,382.84/x
  3. Step 3: Cross multiply
    3,425.92x = 5,138.72 × 2,382.84
  4. Step 4: Simplify right side
    3,425.92x = 12,244,747.56
  5. Step 5: Solve for x
    x = 12,244,747.56/3,425.92
  6. Step 6: Final answer
    x = 3,574.15

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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.