Home / 3,257.38-4,496.70-2,138.32

Finding the Fourth Proportional to 3,257.38, 4,496.70 and 2,138.32

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Solution

The fourth proportional to 3,257.38, 4,496.70 and 2,138.32 is: 2,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.38 : 4,496.70 = 2,138.32 : x
  2. Step 2: Convert to fraction form
    3,257.38/4,496.70 = 2,138.32/x
  3. Step 3: Cross multiply
    3,257.38x = 4,496.70 × 2,138.32
  4. Step 4: Simplify right side
    3,257.38x = 9,615,383.54
  5. Step 5: Solve for x
    x = 9,615,383.54/3,257.38
  6. Step 6: Final answer
    x = 2,951.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.