Home / 3,944.09-5,442.77-2,175.86

Finding the Fourth Proportional to 3,944.09, 5,442.77 and 2,175.86

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Solution

The fourth proportional to 3,944.09, 5,442.77 and 2,175.86 is: 3,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.09 : 5,442.77 = 2,175.86 : x
  2. Step 2: Convert to fraction form
    3,944.09/5,442.77 = 2,175.86/x
  3. Step 3: Cross multiply
    3,944.09x = 5,442.77 × 2,175.86
  4. Step 4: Simplify right side
    3,944.09x = 11,842,705.53
  5. Step 5: Solve for x
    x = 11,842,705.53/3,944.09
  6. Step 6: Final answer
    x = 3,002.65

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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.