Home / 3,966.21-5,951.39-2,879.55

Finding the Fourth Proportional to 3,966.21, 5,951.39 and 2,879.55

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Solution

The fourth proportional to 3,966.21, 5,951.39 and 2,879.55 is: 4,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.21 : 5,951.39 = 2,879.55 : x
  2. Step 2: Convert to fraction form
    3,966.21/5,951.39 = 2,879.55/x
  3. Step 3: Cross multiply
    3,966.21x = 5,951.39 × 2,879.55
  4. Step 4: Simplify right side
    3,966.21x = 17,137,310.68
  5. Step 5: Solve for x
    x = 17,137,310.68/3,966.21
  6. Step 6: Final answer
    x = 4,320.83

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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.