Home / 3,789.04-5,229.12-2,110.56

Finding the Fourth Proportional to 3,789.04, 5,229.12 and 2,110.56

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Solution

The fourth proportional to 3,789.04, 5,229.12 and 2,110.56 is: 2,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.04 : 5,229.12 = 2,110.56 : x
  2. Step 2: Convert to fraction form
    3,789.04/5,229.12 = 2,110.56/x
  3. Step 3: Cross multiply
    3,789.04x = 5,229.12 × 2,110.56
  4. Step 4: Simplify right side
    3,789.04x = 11,036,371.51
  5. Step 5: Solve for x
    x = 11,036,371.51/3,789.04
  6. Step 6: Final answer
    x = 2,912.71

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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.