Home / 3,691.20-5,093.71-2,012.57

Finding the Fourth Proportional to 3,691.20, 5,093.71 and 2,012.57

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Solution

The fourth proportional to 3,691.20, 5,093.71 and 2,012.57 is: 2,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.20 : 5,093.71 = 2,012.57 : x
  2. Step 2: Convert to fraction form
    3,691.20/5,093.71 = 2,012.57/x
  3. Step 3: Cross multiply
    3,691.20x = 5,093.71 × 2,012.57
  4. Step 4: Simplify right side
    3,691.20x = 10,251,436.54
  5. Step 5: Solve for x
    x = 10,251,436.54/3,691.20
  6. Step 6: Final answer
    x = 2,777.26

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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.