Home / 3,691.38-5,094.02-2,012.76

Finding the Fourth Proportional to 3,691.38, 5,094.02 and 2,012.76

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Solution

The fourth proportional to 3,691.38, 5,094.02 and 2,012.76 is: 2,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.38 : 5,094.02 = 2,012.76 : x
  2. Step 2: Convert to fraction form
    3,691.38/5,094.02 = 2,012.76/x
  3. Step 3: Cross multiply
    3,691.38x = 5,094.02 × 2,012.76
  4. Step 4: Simplify right side
    3,691.38x = 10,253,039.70
  5. Step 5: Solve for x
    x = 10,253,039.70/3,691.38
  6. Step 6: Final answer
    x = 2,777.56

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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.