Home / 3,691.45-5,094.14-2,012.87

Finding the Fourth Proportional to 3,691.45, 5,094.14 and 2,012.87

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Solution

The fourth proportional to 3,691.45, 5,094.14 and 2,012.87 is: 2,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.45 : 5,094.14 = 2,012.87 : x
  2. Step 2: Convert to fraction form
    3,691.45/5,094.14 = 2,012.87/x
  3. Step 3: Cross multiply
    3,691.45x = 5,094.14 × 2,012.87
  4. Step 4: Simplify right side
    3,691.45x = 10,253,844.25
  5. Step 5: Solve for x
    x = 10,253,844.25/3,691.45
  6. Step 6: Final answer
    x = 2,777.73

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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.