Home / 3,944.16-5,442.98-2,175.84

Finding the Fourth Proportional to 3,944.16, 5,442.98 and 2,175.84

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Solution

The fourth proportional to 3,944.16, 5,442.98 and 2,175.84 is: 3,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.16 : 5,442.98 = 2,175.84 : x
  2. Step 2: Convert to fraction form
    3,944.16/5,442.98 = 2,175.84/x
  3. Step 3: Cross multiply
    3,944.16x = 5,442.98 × 2,175.84
  4. Step 4: Simplify right side
    3,944.16x = 11,843,042.72
  5. Step 5: Solve for x
    x = 11,843,042.72/3,944.16
  6. Step 6: Final answer
    x = 3,002.68

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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.