Home / 3,965.12-5,474.52-2,473.28

Finding the Fourth Proportional to 3,965.12, 5,474.52 and 2,473.28

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Solution

The fourth proportional to 3,965.12, 5,474.52 and 2,473.28 is: 3,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.12 : 5,474.52 = 2,473.28 : x
  2. Step 2: Convert to fraction form
    3,965.12/5,474.52 = 2,473.28/x
  3. Step 3: Cross multiply
    3,965.12x = 5,474.52 × 2,473.28
  4. Step 4: Simplify right side
    3,965.12x = 13,540,020.83
  5. Step 5: Solve for x
    x = 13,540,020.83/3,965.12
  6. Step 6: Final answer
    x = 3,414.78

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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.