Home / 3,201.27-4,418.60-2,869.12

Finding the Fourth Proportional to 3,201.27, 4,418.60 and 2,869.12

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Solution

The fourth proportional to 3,201.27, 4,418.60 and 2,869.12 is: 3,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.27 : 4,418.60 = 2,869.12 : x
  2. Step 2: Convert to fraction form
    3,201.27/4,418.60 = 2,869.12/x
  3. Step 3: Cross multiply
    3,201.27x = 4,418.60 × 2,869.12
  4. Step 4: Simplify right side
    3,201.27x = 12,677,500.95
  5. Step 5: Solve for x
    x = 12,677,500.95/3,201.27
  6. Step 6: Final answer
    x = 3,960.15

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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.