Home / 3,911.44-5,397.94-2,232.86

Finding the Fourth Proportional to 3,911.44, 5,397.94 and 2,232.86

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Solution

The fourth proportional to 3,911.44, 5,397.94 and 2,232.86 is: 3,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.44 : 5,397.94 = 2,232.86 : x
  2. Step 2: Convert to fraction form
    3,911.44/5,397.94 = 2,232.86/x
  3. Step 3: Cross multiply
    3,911.44x = 5,397.94 × 2,232.86
  4. Step 4: Simplify right side
    3,911.44x = 12,052,850.47
  5. Step 5: Solve for x
    x = 12,052,850.47/3,911.44
  6. Step 6: Final answer
    x = 3,081.44

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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.