Home / 2,691.83-4,046.85-2,149.94

Finding the Fourth Proportional to 2,691.83, 4,046.85 and 2,149.94

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Solution

The fourth proportional to 2,691.83, 4,046.85 and 2,149.94 is: 3,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.83 : 4,046.85 = 2,149.94 : x
  2. Step 2: Convert to fraction form
    2,691.83/4,046.85 = 2,149.94/x
  3. Step 3: Cross multiply
    2,691.83x = 4,046.85 × 2,149.94
  4. Step 4: Simplify right side
    2,691.83x = 8,700,464.45
  5. Step 5: Solve for x
    x = 8,700,464.45/2,691.83
  6. Step 6: Final answer
    x = 3,232.18

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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.