Home / 3,881.56-5,804.45-2,882.79

Finding the Fourth Proportional to 3,881.56, 5,804.45 and 2,882.79

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Solution

The fourth proportional to 3,881.56, 5,804.45 and 2,882.79 is: 4,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.56 : 5,804.45 = 2,882.79 : x
  2. Step 2: Convert to fraction form
    3,881.56/5,804.45 = 2,882.79/x
  3. Step 3: Cross multiply
    3,881.56x = 5,804.45 × 2,882.79
  4. Step 4: Simplify right side
    3,881.56x = 16,733,010.42
  5. Step 5: Solve for x
    x = 16,733,010.42/3,881.56
  6. Step 6: Final answer
    x = 4,310.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.