Home / 3,965.89-5,471.48-2,372.58

Finding the Fourth Proportional to 3,965.89, 5,471.48 and 2,372.58

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Solution

The fourth proportional to 3,965.89, 5,471.48 and 2,372.58 is: 3,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.89 : 5,471.48 = 2,372.58 : x
  2. Step 2: Convert to fraction form
    3,965.89/5,471.48 = 2,372.58/x
  3. Step 3: Cross multiply
    3,965.89x = 5,471.48 × 2,372.58
  4. Step 4: Simplify right side
    3,965.89x = 12,981,555.63
  5. Step 5: Solve for x
    x = 12,981,555.63/3,965.89
  6. Step 6: Final answer
    x = 3,273.30

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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.