Home / 3,789.46-5,229.45-2,110.85

Finding the Fourth Proportional to 3,789.46, 5,229.45 and 2,110.85

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Solution

The fourth proportional to 3,789.46, 5,229.45 and 2,110.85 is: 2,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.46 : 5,229.45 = 2,110.85 : x
  2. Step 2: Convert to fraction form
    3,789.46/5,229.45 = 2,110.85/x
  3. Step 3: Cross multiply
    3,789.46x = 5,229.45 × 2,110.85
  4. Step 4: Simplify right side
    3,789.46x = 11,038,604.11
  5. Step 5: Solve for x
    x = 11,038,604.11/3,789.46
  6. Step 6: Final answer
    x = 2,912.97

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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.