Home / 3,132.22-4,689.18-2,798.71

Finding the Fourth Proportional to 3,132.22, 4,689.18 and 2,798.71

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Solution

The fourth proportional to 3,132.22, 4,689.18 and 2,798.71 is: 4,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.22 : 4,689.18 = 2,798.71 : x
  2. Step 2: Convert to fraction form
    3,132.22/4,689.18 = 2,798.71/x
  3. Step 3: Cross multiply
    3,132.22x = 4,689.18 × 2,798.71
  4. Step 4: Simplify right side
    3,132.22x = 13,123,654.96
  5. Step 5: Solve for x
    x = 13,123,654.96/3,132.22
  6. Step 6: Final answer
    x = 4,189.89

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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.