Home / 3,872.11-5,341.79-2,299.29

Finding the Fourth Proportional to 3,872.11, 5,341.79 and 2,299.29

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Solution

The fourth proportional to 3,872.11, 5,341.79 and 2,299.29 is: 3,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.11 : 5,341.79 = 2,299.29 : x
  2. Step 2: Convert to fraction form
    3,872.11/5,341.79 = 2,299.29/x
  3. Step 3: Cross multiply
    3,872.11x = 5,341.79 × 2,299.29
  4. Step 4: Simplify right side
    3,872.11x = 12,282,286.12
  5. Step 5: Solve for x
    x = 12,282,286.12/3,872.11
  6. Step 6: Final answer
    x = 3,171.99

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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.