Home / 3,825.24-5,278.92-2,146.56

Finding the Fourth Proportional to 3,825.24, 5,278.92 and 2,146.56

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Solution

The fourth proportional to 3,825.24, 5,278.92 and 2,146.56 is: 2,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.24 : 5,278.92 = 2,146.56 : x
  2. Step 2: Convert to fraction form
    3,825.24/5,278.92 = 2,146.56/x
  3. Step 3: Cross multiply
    3,825.24x = 5,278.92 × 2,146.56
  4. Step 4: Simplify right side
    3,825.24x = 11,331,518.52
  5. Step 5: Solve for x
    x = 11,331,518.52/3,825.24
  6. Step 6: Final answer
    x = 2,962.30

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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.