Home / 3,910.91-5,397.67-2,232.86

Finding the Fourth Proportional to 3,910.91, 5,397.67 and 2,232.86

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Solution

The fourth proportional to 3,910.91, 5,397.67 and 2,232.86 is: 3,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.91 : 5,397.67 = 2,232.86 : x
  2. Step 2: Convert to fraction form
    3,910.91/5,397.67 = 2,232.86/x
  3. Step 3: Cross multiply
    3,910.91x = 5,397.67 × 2,232.86
  4. Step 4: Simplify right side
    3,910.91x = 12,052,217.24
  5. Step 5: Solve for x
    x = 12,052,217.24/3,910.91
  6. Step 6: Final answer
    x = 3,081.70

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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.