Home / 3,945.52-5,918.19-1,023.85

Finding the Fourth Proportional to 3,945.52, 5,918.19 and 1,023.85

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Solution

The fourth proportional to 3,945.52, 5,918.19 and 1,023.85 is: 1,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.52 : 5,918.19 = 1,023.85 : x
  2. Step 2: Convert to fraction form
    3,945.52/5,918.19 = 1,023.85/x
  3. Step 3: Cross multiply
    3,945.52x = 5,918.19 × 1,023.85
  4. Step 4: Simplify right side
    3,945.52x = 6,059,338.83
  5. Step 5: Solve for x
    x = 6,059,338.83/3,945.52
  6. Step 6: Final answer
    x = 1,535.75

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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.