Home / 3,882.36-5,357.65-2,113.96

Finding the Fourth Proportional to 3,882.36, 5,357.65 and 2,113.96

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Solution

The fourth proportional to 3,882.36, 5,357.65 and 2,113.96 is: 2,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.36 : 5,357.65 = 2,113.96 : x
  2. Step 2: Convert to fraction form
    3,882.36/5,357.65 = 2,113.96/x
  3. Step 3: Cross multiply
    3,882.36x = 5,357.65 × 2,113.96
  4. Step 4: Simplify right side
    3,882.36x = 11,325,857.79
  5. Step 5: Solve for x
    x = 11,325,857.79/3,882.36
  6. Step 6: Final answer
    x = 2,917.26

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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.