Home / 3,882.32-5,357.66-2,113.96

Finding the Fourth Proportional to 3,882.32, 5,357.66 and 2,113.96

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Solution

The fourth proportional to 3,882.32, 5,357.66 and 2,113.96 is: 2,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.32 : 5,357.66 = 2,113.96 : x
  2. Step 2: Convert to fraction form
    3,882.32/5,357.66 = 2,113.96/x
  3. Step 3: Cross multiply
    3,882.32x = 5,357.66 × 2,113.96
  4. Step 4: Simplify right side
    3,882.32x = 11,325,878.93
  5. Step 5: Solve for x
    x = 11,325,878.93/3,882.32
  6. Step 6: Final answer
    x = 2,917.30

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