Home / 3,825.13-5,277.87-2,500.78

Finding the Fourth Proportional to 3,825.13, 5,277.87 and 2,500.78

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Solution

The fourth proportional to 3,825.13, 5,277.87 and 2,500.78 is: 3,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.13 : 5,277.87 = 2,500.78 : x
  2. Step 2: Convert to fraction form
    3,825.13/5,277.87 = 2,500.78/x
  3. Step 3: Cross multiply
    3,825.13x = 5,277.87 × 2,500.78
  4. Step 4: Simplify right side
    3,825.13x = 13,198,791.74
  5. Step 5: Solve for x
    x = 13,198,791.74/3,825.13
  6. Step 6: Final answer
    x = 3,450.55

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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.