Home / 3,882.51-5,357.82-2,114.11

Finding the Fourth Proportional to 3,882.51, 5,357.82 and 2,114.11

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Solution

The fourth proportional to 3,882.51, 5,357.82 and 2,114.11 is: 2,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.51 : 5,357.82 = 2,114.11 : x
  2. Step 2: Convert to fraction form
    3,882.51/5,357.82 = 2,114.11/x
  3. Step 3: Cross multiply
    3,882.51x = 5,357.82 × 2,114.11
  4. Step 4: Simplify right side
    3,882.51x = 11,327,020.84
  5. Step 5: Solve for x
    x = 11,327,020.84/3,882.51
  6. Step 6: Final answer
    x = 2,917.45

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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.