Home / 3,665.22-5,489.54-2,201.28

Finding the Fourth Proportional to 3,665.22, 5,489.54 and 2,201.28

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Solution

The fourth proportional to 3,665.22, 5,489.54 and 2,201.28 is: 3,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.22 : 5,489.54 = 2,201.28 : x
  2. Step 2: Convert to fraction form
    3,665.22/5,489.54 = 2,201.28/x
  3. Step 3: Cross multiply
    3,665.22x = 5,489.54 × 2,201.28
  4. Step 4: Simplify right side
    3,665.22x = 12,084,014.61
  5. Step 5: Solve for x
    x = 12,084,014.61/3,665.22
  6. Step 6: Final answer
    x = 3,296.94

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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.