Home / 3,997.44-5,518.92-2,581.56

Finding the Fourth Proportional to 3,997.44, 5,518.92 and 2,581.56

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Solution

The fourth proportional to 3,997.44, 5,518.92 and 2,581.56 is: 3,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.44 : 5,518.92 = 2,581.56 : x
  2. Step 2: Convert to fraction form
    3,997.44/5,518.92 = 2,581.56/x
  3. Step 3: Cross multiply
    3,997.44x = 5,518.92 × 2,581.56
  4. Step 4: Simplify right side
    3,997.44x = 14,247,423.12
  5. Step 5: Solve for x
    x = 14,247,423.12/3,997.44
  6. Step 6: Final answer
    x = 3,564.14

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1.5x scale

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.