Home / 4,115.45-5,679.30-2,227.04

Finding the Fourth Proportional to 4,115.45, 5,679.30 and 2,227.04

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Solution

The fourth proportional to 4,115.45, 5,679.30 and 2,227.04 is: 3,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.45 : 5,679.30 = 2,227.04 : x
  2. Step 2: Convert to fraction form
    4,115.45/5,679.30 = 2,227.04/x
  3. Step 3: Cross multiply
    4,115.45x = 5,679.30 × 2,227.04
  4. Step 4: Simplify right side
    4,115.45x = 12,648,028.27
  5. Step 5: Solve for x
    x = 12,648,028.27/4,115.45
  6. Step 6: Final answer
    x = 3,073.30

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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.