Home / 3,966.77-5,951.07-2,116.91

Finding the Fourth Proportional to 3,966.77, 5,951.07 and 2,116.91

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Solution

The fourth proportional to 3,966.77, 5,951.07 and 2,116.91 is: 3,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.77 : 5,951.07 = 2,116.91 : x
  2. Step 2: Convert to fraction form
    3,966.77/5,951.07 = 2,116.91/x
  3. Step 3: Cross multiply
    3,966.77x = 5,951.07 × 2,116.91
  4. Step 4: Simplify right side
    3,966.77x = 12,597,894.47
  5. Step 5: Solve for x
    x = 12,597,894.47/3,966.77
  6. Step 6: Final answer
    x = 3,175.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.