Home / 3,081.88-4,613.10-2,201.55

Finding the Fourth Proportional to 3,081.88, 4,613.10 and 2,201.55

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Solution

The fourth proportional to 3,081.88, 4,613.10 and 2,201.55 is: 3,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.88 : 4,613.10 = 2,201.55 : x
  2. Step 2: Convert to fraction form
    3,081.88/4,613.10 = 2,201.55/x
  3. Step 3: Cross multiply
    3,081.88x = 4,613.10 × 2,201.55
  4. Step 4: Simplify right side
    3,081.88x = 10,155,957.13
  5. Step 5: Solve for x
    x = 10,155,957.13/3,081.88
  6. Step 6: Final answer
    x = 3,295.38

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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.