Home / 3,883.14-5,356.13-2,391.54

Finding the Fourth Proportional to 3,883.14, 5,356.13 and 2,391.54

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Solution

The fourth proportional to 3,883.14, 5,356.13 and 2,391.54 is: 3,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.14 : 5,356.13 = 2,391.54 : x
  2. Step 2: Convert to fraction form
    3,883.14/5,356.13 = 2,391.54/x
  3. Step 3: Cross multiply
    3,883.14x = 5,356.13 × 2,391.54
  4. Step 4: Simplify right side
    3,883.14x = 12,809,387.18
  5. Step 5: Solve for x
    x = 12,809,387.18/3,883.14
  6. Step 6: Final answer
    x = 3,298.72

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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.