Home / 2,579.38-3,869.07-1,755.61

Finding the Fourth Proportional to 2,579.38, 3,869.07 and 1,755.61

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Solution

The fourth proportional to 2,579.38, 3,869.07 and 1,755.61 is: 2,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.38 : 3,869.07 = 1,755.61 : x
  2. Step 2: Convert to fraction form
    2,579.38/3,869.07 = 1,755.61/x
  3. Step 3: Cross multiply
    2,579.38x = 3,869.07 × 1,755.61
  4. Step 4: Simplify right side
    2,579.38x = 6,792,583.49
  5. Step 5: Solve for x
    x = 6,792,583.49/2,579.38
  6. Step 6: Final answer
    x = 2,633.41

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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.