Home / 2,691.70-4,037.56-1,767.04

Finding the Fourth Proportional to 2,691.70, 4,037.56 and 1,767.04

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Solution

The fourth proportional to 2,691.70, 4,037.56 and 1,767.04 is: 2,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.70 : 4,037.56 = 1,767.04 : x
  2. Step 2: Convert to fraction form
    2,691.70/4,037.56 = 1,767.04/x
  3. Step 3: Cross multiply
    2,691.70x = 4,037.56 × 1,767.04
  4. Step 4: Simplify right side
    2,691.70x = 7,134,530.02
  5. Step 5: Solve for x
    x = 7,134,530.02/2,691.70
  6. Step 6: Final answer
    x = 2,650.57

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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.