Home / 3,991.54-5,508.06-2,223.10

Finding the Fourth Proportional to 3,991.54, 5,508.06 and 2,223.10

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Solution

The fourth proportional to 3,991.54, 5,508.06 and 2,223.10 is: 3,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.54 : 5,508.06 = 2,223.10 : x
  2. Step 2: Convert to fraction form
    3,991.54/5,508.06 = 2,223.10/x
  3. Step 3: Cross multiply
    3,991.54x = 5,508.06 × 2,223.10
  4. Step 4: Simplify right side
    3,991.54x = 12,244,968.19
  5. Step 5: Solve for x
    x = 12,244,968.19/3,991.54
  6. Step 6: Final answer
    x = 3,067.73

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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.