Home / 3,882.43-5,357.73-2,114.02

Finding the Fourth Proportional to 3,882.43, 5,357.73 and 2,114.02

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Solution

The fourth proportional to 3,882.43, 5,357.73 and 2,114.02 is: 2,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.43 : 5,357.73 = 2,114.02 : x
  2. Step 2: Convert to fraction form
    3,882.43/5,357.73 = 2,114.02/x
  3. Step 3: Cross multiply
    3,882.43x = 5,357.73 × 2,114.02
  4. Step 4: Simplify right side
    3,882.43x = 11,326,348.37
  5. Step 5: Solve for x
    x = 11,326,348.37/3,882.43
  6. Step 6: Final answer
    x = 2,917.33

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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.