Home / 3,965.15-5,471.15-2,546.64

Finding the Fourth Proportional to 3,965.15, 5,471.15 and 2,546.64

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Solution

The fourth proportional to 3,965.15, 5,471.15 and 2,546.64 is: 3,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.15 : 5,471.15 = 2,546.64 : x
  2. Step 2: Convert to fraction form
    3,965.15/5,471.15 = 2,546.64/x
  3. Step 3: Cross multiply
    3,965.15x = 5,471.15 × 2,546.64
  4. Step 4: Simplify right side
    3,965.15x = 13,933,036.70
  5. Step 5: Solve for x
    x = 13,933,036.70/3,965.15
  6. Step 6: Final answer
    x = 3,513.87

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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.