Home / 3,789.22-5,229.60-2,297.11

Finding the Fourth Proportional to 3,789.22, 5,229.60 and 2,297.11

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Solution

The fourth proportional to 3,789.22, 5,229.60 and 2,297.11 is: 3,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.22 : 5,229.60 = 2,297.11 : x
  2. Step 2: Convert to fraction form
    3,789.22/5,229.60 = 2,297.11/x
  3. Step 3: Cross multiply
    3,789.22x = 5,229.60 × 2,297.11
  4. Step 4: Simplify right side
    3,789.22x = 12,012,966.46
  5. Step 5: Solve for x
    x = 12,012,966.46/3,789.22
  6. Step 6: Final answer
    x = 3,170.30

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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.