Home / 3,944.10-5,442.70-2,175.71

Finding the Fourth Proportional to 3,944.10, 5,442.70 and 2,175.71

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Solution

The fourth proportional to 3,944.10, 5,442.70 and 2,175.71 is: 3,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.10 : 5,442.70 = 2,175.71 : x
  2. Step 2: Convert to fraction form
    3,944.10/5,442.70 = 2,175.71/x
  3. Step 3: Cross multiply
    3,944.10x = 5,442.70 × 2,175.71
  4. Step 4: Simplify right side
    3,944.10x = 11,841,723.21
  5. Step 5: Solve for x
    x = 11,841,723.21/3,944.10
  6. Step 6: Final answer
    x = 3,002.39

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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.