Home / 3,945.73-5,919.31-1,348.06

Finding the Fourth Proportional to 3,945.73, 5,919.31 and 1,348.06

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Solution

The fourth proportional to 3,945.73, 5,919.31 and 1,348.06 is: 2,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.73 : 5,919.31 = 1,348.06 : x
  2. Step 2: Convert to fraction form
    3,945.73/5,919.31 = 1,348.06/x
  3. Step 3: Cross multiply
    3,945.73x = 5,919.31 × 1,348.06
  4. Step 4: Simplify right side
    3,945.73x = 7,979,585.04
  5. Step 5: Solve for x
    x = 7,979,585.04/3,945.73
  6. Step 6: Final answer
    x = 2,022.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.