Home / 3,945.11-5,917.73-3,294.54

Finding the Fourth Proportional to 3,945.11, 5,917.73 and 3,294.54

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Solution

The fourth proportional to 3,945.11, 5,917.73 and 3,294.54 is: 4,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.11 : 5,917.73 = 3,294.54 : x
  2. Step 2: Convert to fraction form
    3,945.11/5,917.73 = 3,294.54/x
  3. Step 3: Cross multiply
    3,945.11x = 5,917.73 × 3,294.54
  4. Step 4: Simplify right side
    3,945.11x = 19,496,181.72
  5. Step 5: Solve for x
    x = 19,496,181.72/3,945.11
  6. Step 6: Final answer
    x = 4,941.87

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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.