Home / 3,944.52-5,443.26-2,175.78

Finding the Fourth Proportional to 3,944.52, 5,443.26 and 2,175.78

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Solution

The fourth proportional to 3,944.52, 5,443.26 and 2,175.78 is: 3,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.52 : 5,443.26 = 2,175.78 : x
  2. Step 2: Convert to fraction form
    3,944.52/5,443.26 = 2,175.78/x
  3. Step 3: Cross multiply
    3,944.52x = 5,443.26 × 2,175.78
  4. Step 4: Simplify right side
    3,944.52x = 11,843,336.24
  5. Step 5: Solve for x
    x = 11,843,336.24/3,944.52
  6. Step 6: Final answer
    x = 3,002.48

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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.