Home / 3,916.38-5,404.52-2,237.79

Finding the Fourth Proportional to 3,916.38, 5,404.52 and 2,237.79

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Solution

The fourth proportional to 3,916.38, 5,404.52 and 2,237.79 is: 3,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.38 : 5,404.52 = 2,237.79 : x
  2. Step 2: Convert to fraction form
    3,916.38/5,404.52 = 2,237.79/x
  3. Step 3: Cross multiply
    3,916.38x = 5,404.52 × 2,237.79
  4. Step 4: Simplify right side
    3,916.38x = 12,094,206.67
  5. Step 5: Solve for x
    x = 12,094,206.67/3,916.38
  6. Step 6: Final answer
    x = 3,088.11

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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.