Home / 3,916.38-5,872.69-2,273.43

Finding the Fourth Proportional to 3,916.38, 5,872.69 and 2,273.43

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Solution

The fourth proportional to 3,916.38, 5,872.69 and 2,273.43 is: 3,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.38 : 5,872.69 = 2,273.43 : x
  2. Step 2: Convert to fraction form
    3,916.38/5,872.69 = 2,273.43/x
  3. Step 3: Cross multiply
    3,916.38x = 5,872.69 × 2,273.43
  4. Step 4: Simplify right side
    3,916.38x = 13,351,149.63
  5. Step 5: Solve for x
    x = 13,351,149.63/3,916.38
  6. Step 6: Final answer
    x = 3,409.05

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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.