Home / 3,616.30-5,418.01-1,664.38

Finding the Fourth Proportional to 3,616.30, 5,418.01 and 1,664.38

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Solution

The fourth proportional to 3,616.30, 5,418.01 and 1,664.38 is: 2,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.30 : 5,418.01 = 1,664.38 : x
  2. Step 2: Convert to fraction form
    3,616.30/5,418.01 = 1,664.38/x
  3. Step 3: Cross multiply
    3,616.30x = 5,418.01 × 1,664.38
  4. Step 4: Simplify right side
    3,616.30x = 9,017,627.48
  5. Step 5: Solve for x
    x = 9,017,627.48/3,616.30
  6. Step 6: Final answer
    x = 2,493.61

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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.