Home / 4,108.38-5,671.38-2,694.12

Finding the Fourth Proportional to 4,108.38, 5,671.38 and 2,694.12

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Solution

The fourth proportional to 4,108.38, 5,671.38 and 2,694.12 is: 3,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.38 : 5,671.38 = 2,694.12 : x
  2. Step 2: Convert to fraction form
    4,108.38/5,671.38 = 2,694.12/x
  3. Step 3: Cross multiply
    4,108.38x = 5,671.38 × 2,694.12
  4. Step 4: Simplify right side
    4,108.38x = 15,279,378.29
  5. Step 5: Solve for x
    x = 15,279,378.29/4,108.38
  6. Step 6: Final answer
    x = 3,719.08

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Half scale
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Double scale
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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.