Home / 3,845.52-5,767.65-1,379.97

Finding the Fourth Proportional to 3,845.52, 5,767.65 and 1,379.97

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Solution

The fourth proportional to 3,845.52, 5,767.65 and 1,379.97 is: 2,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.52 : 5,767.65 = 1,379.97 : x
  2. Step 2: Convert to fraction form
    3,845.52/5,767.65 = 1,379.97/x
  3. Step 3: Cross multiply
    3,845.52x = 5,767.65 × 1,379.97
  4. Step 4: Simplify right side
    3,845.52x = 7,959,183.97
  5. Step 5: Solve for x
    x = 7,959,183.97/3,845.52
  6. Step 6: Final answer
    x = 2,069.73

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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.