Home / 3,845.86-5,768.79-1,248.82

Finding the Fourth Proportional to 3,845.86, 5,768.79 and 1,248.82

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Solution

The fourth proportional to 3,845.86, 5,768.79 and 1,248.82 is: 1,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.86 : 5,768.79 = 1,248.82 : x
  2. Step 2: Convert to fraction form
    3,845.86/5,768.79 = 1,248.82/x
  3. Step 3: Cross multiply
    3,845.86x = 5,768.79 × 1,248.82
  4. Step 4: Simplify right side
    3,845.86x = 7,204,180.33
  5. Step 5: Solve for x
    x = 7,204,180.33/3,845.86
  6. Step 6: Final answer
    x = 1,873.23

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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.