Home / 3,849.73-5,311.78-2,954.48

Finding the Fourth Proportional to 3,849.73, 5,311.78 and 2,954.48

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Solution

The fourth proportional to 3,849.73, 5,311.78 and 2,954.48 is: 4,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.73 : 5,311.78 = 2,954.48 : x
  2. Step 2: Convert to fraction form
    3,849.73/5,311.78 = 2,954.48/x
  3. Step 3: Cross multiply
    3,849.73x = 5,311.78 × 2,954.48
  4. Step 4: Simplify right side
    3,849.73x = 15,693,513.83
  5. Step 5: Solve for x
    x = 15,693,513.83/3,849.73
  6. Step 6: Final answer
    x = 4,076.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.