Home / 3,965.57-5,472.47-2,173.04

Finding the Fourth Proportional to 3,965.57, 5,472.47 and 2,173.04

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Solution

The fourth proportional to 3,965.57, 5,472.47 and 2,173.04 is: 2,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.57 : 5,472.47 = 2,173.04 : x
  2. Step 2: Convert to fraction form
    3,965.57/5,472.47 = 2,173.04/x
  3. Step 3: Cross multiply
    3,965.57x = 5,472.47 × 2,173.04
  4. Step 4: Simplify right side
    3,965.57x = 11,891,915.32
  5. Step 5: Solve for x
    x = 11,891,915.32/3,965.57
  6. Step 6: Final answer
    x = 2,998.79

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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.