Home / 3,665.48-5,489.91-2,201.54

Finding the Fourth Proportional to 3,665.48, 5,489.91 and 2,201.54

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Solution

The fourth proportional to 3,665.48, 5,489.91 and 2,201.54 is: 3,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.48 : 5,489.91 = 2,201.54 : x
  2. Step 2: Convert to fraction form
    3,665.48/5,489.91 = 2,201.54/x
  3. Step 3: Cross multiply
    3,665.48x = 5,489.91 × 2,201.54
  4. Step 4: Simplify right side
    3,665.48x = 12,086,229.01
  5. Step 5: Solve for x
    x = 12,086,229.01/3,665.48
  6. Step 6: Final answer
    x = 3,297.32

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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.