Home / 4,132.20-6,199.10-2,080.20

Finding the Fourth Proportional to 4,132.20, 6,199.10 and 2,080.20

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Solution

The fourth proportional to 4,132.20, 6,199.10 and 2,080.20 is: 3,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.20 : 6,199.10 = 2,080.20 : x
  2. Step 2: Convert to fraction form
    4,132.20/6,199.10 = 2,080.20/x
  3. Step 3: Cross multiply
    4,132.20x = 6,199.10 × 2,080.20
  4. Step 4: Simplify right side
    4,132.20x = 12,895,367.82
  5. Step 5: Solve for x
    x = 12,895,367.82/4,132.20
  6. Step 6: Final answer
    x = 3,120.70

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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.