Home / 3,910.97-5,397.30-2,232.29

Finding the Fourth Proportional to 3,910.97, 5,397.30 and 2,232.29

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Solution

The fourth proportional to 3,910.97, 5,397.30 and 2,232.29 is: 3,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.97 : 5,397.30 = 2,232.29 : x
  2. Step 2: Convert to fraction form
    3,910.97/5,397.30 = 2,232.29/x
  3. Step 3: Cross multiply
    3,910.97x = 5,397.30 × 2,232.29
  4. Step 4: Simplify right side
    3,910.97x = 12,048,311.83
  5. Step 5: Solve for x
    x = 12,048,311.83/3,910.97
  6. Step 6: Final answer
    x = 3,080.65

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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.