Home / 2,650.98-3,963.81-2,418.61

Finding the Fourth Proportional to 2,650.98, 3,963.81 and 2,418.61

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Solution

The fourth proportional to 2,650.98, 3,963.81 and 2,418.61 is: 3,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.98 : 3,963.81 = 2,418.61 : x
  2. Step 2: Convert to fraction form
    2,650.98/3,963.81 = 2,418.61/x
  3. Step 3: Cross multiply
    2,650.98x = 3,963.81 × 2,418.61
  4. Step 4: Simplify right side
    2,650.98x = 9,586,910.50
  5. Step 5: Solve for x
    x = 9,586,910.50/2,650.98
  6. Step 6: Final answer
    x = 3,616.36

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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.