Home / 3,944.15-5,442.94-2,175.75

Finding the Fourth Proportional to 3,944.15, 5,442.94 and 2,175.75

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Solution

The fourth proportional to 3,944.15, 5,442.94 and 2,175.75 is: 3,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.15 : 5,442.94 = 2,175.75 : x
  2. Step 2: Convert to fraction form
    3,944.15/5,442.94 = 2,175.75/x
  3. Step 3: Cross multiply
    3,944.15x = 5,442.94 × 2,175.75
  4. Step 4: Simplify right side
    3,944.15x = 11,842,503.92
  5. Step 5: Solve for x
    x = 11,842,503.92/3,944.15
  6. Step 6: Final answer
    x = 3,002.55

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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.