Home / 3,765.27-5,200.92-2,891.82

Finding the Fourth Proportional to 3,765.27, 5,200.92 and 2,891.82

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Solution

The fourth proportional to 3,765.27, 5,200.92 and 2,891.82 is: 3,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.27 : 5,200.92 = 2,891.82 : x
  2. Step 2: Convert to fraction form
    3,765.27/5,200.92 = 2,891.82/x
  3. Step 3: Cross multiply
    3,765.27x = 5,200.92 × 2,891.82
  4. Step 4: Simplify right side
    3,765.27x = 15,040,124.47
  5. Step 5: Solve for x
    x = 15,040,124.47/3,765.27
  6. Step 6: Final answer
    x = 3,994.43

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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.