Home / 3,872.82-5,794.88-2,313.68

Finding the Fourth Proportional to 3,872.82, 5,794.88 and 2,313.68

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Solution

The fourth proportional to 3,872.82, 5,794.88 and 2,313.68 is: 3,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.82 : 5,794.88 = 2,313.68 : x
  2. Step 2: Convert to fraction form
    3,872.82/5,794.88 = 2,313.68/x
  3. Step 3: Cross multiply
    3,872.82x = 5,794.88 × 2,313.68
  4. Step 4: Simplify right side
    3,872.82x = 13,407,470.43
  5. Step 5: Solve for x
    x = 13,407,470.43/3,872.82
  6. Step 6: Final answer
    x = 3,461.94

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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.