Home / 3,616.51-4,990.78-2,044.61

Finding the Fourth Proportional to 3,616.51, 4,990.78 and 2,044.61

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Solution

The fourth proportional to 3,616.51, 4,990.78 and 2,044.61 is: 2,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.51 : 4,990.78 = 2,044.61 : x
  2. Step 2: Convert to fraction form
    3,616.51/4,990.78 = 2,044.61/x
  3. Step 3: Cross multiply
    3,616.51x = 4,990.78 × 2,044.61
  4. Step 4: Simplify right side
    3,616.51x = 10,204,198.70
  5. Step 5: Solve for x
    x = 10,204,198.70/3,616.51
  6. Step 6: Final answer
    x = 2,821.56

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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.