Home / 3,979.09-5,963.43-1,636.41

Finding the Fourth Proportional to 3,979.09, 5,963.43 and 1,636.41

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Solution

The fourth proportional to 3,979.09, 5,963.43 and 1,636.41 is: 2,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.09 : 5,963.43 = 1,636.41 : x
  2. Step 2: Convert to fraction form
    3,979.09/5,963.43 = 1,636.41/x
  3. Step 3: Cross multiply
    3,979.09x = 5,963.43 × 1,636.41
  4. Step 4: Simplify right side
    3,979.09x = 9,758,644.99
  5. Step 5: Solve for x
    x = 9,758,644.99/3,979.09
  6. Step 6: Final answer
    x = 2,452.48

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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.