Home / 3,966.57-5,945.56-2,580.90

Finding the Fourth Proportional to 3,966.57, 5,945.56 and 2,580.90

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Solution

The fourth proportional to 3,966.57, 5,945.56 and 2,580.90 is: 3,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.57 : 5,945.56 = 2,580.90 : x
  2. Step 2: Convert to fraction form
    3,966.57/5,945.56 = 2,580.90/x
  3. Step 3: Cross multiply
    3,966.57x = 5,945.56 × 2,580.90
  4. Step 4: Simplify right side
    3,966.57x = 15,344,859.62
  5. Step 5: Solve for x
    x = 15,344,859.62/3,966.57
  6. Step 6: Final answer
    x = 3,868.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.