Home / 3,718.18-5,569.71-2,983.78

Finding the Fourth Proportional to 3,718.18, 5,569.71 and 2,983.78

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Solution

The fourth proportional to 3,718.18, 5,569.71 and 2,983.78 is: 4,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.18 : 5,569.71 = 2,983.78 : x
  2. Step 2: Convert to fraction form
    3,718.18/5,569.71 = 2,983.78/x
  3. Step 3: Cross multiply
    3,718.18x = 5,569.71 × 2,983.78
  4. Step 4: Simplify right side
    3,718.18x = 16,618,789.30
  5. Step 5: Solve for x
    x = 16,618,789.30/3,718.18
  6. Step 6: Final answer
    x = 4,469.60

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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.