Home / 3,910.97-5,397.14-2,339.06

Finding the Fourth Proportional to 3,910.97, 5,397.14 and 2,339.06

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Solution

The fourth proportional to 3,910.97, 5,397.14 and 2,339.06 is: 3,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.97 : 5,397.14 = 2,339.06 : x
  2. Step 2: Convert to fraction form
    3,910.97/5,397.14 = 2,339.06/x
  3. Step 3: Cross multiply
    3,910.97x = 5,397.14 × 2,339.06
  4. Step 4: Simplify right side
    3,910.97x = 12,624,240.47
  5. Step 5: Solve for x
    x = 12,624,240.47/3,910.97
  6. Step 6: Final answer
    x = 3,227.91

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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.