Home / 3,791.98-5,229.66-2,465.20

Finding the Fourth Proportional to 3,791.98, 5,229.66 and 2,465.20

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Solution

The fourth proportional to 3,791.98, 5,229.66 and 2,465.20 is: 3,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.98 : 5,229.66 = 2,465.20 : x
  2. Step 2: Convert to fraction form
    3,791.98/5,229.66 = 2,465.20/x
  3. Step 3: Cross multiply
    3,791.98x = 5,229.66 × 2,465.20
  4. Step 4: Simplify right side
    3,791.98x = 12,892,157.83
  5. Step 5: Solve for x
    x = 12,892,157.83/3,791.98
  6. Step 6: Final answer
    x = 3,399.85

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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.