Home / 3,640.48-5,462.08-2,180.66

Finding the Fourth Proportional to 3,640.48, 5,462.08 and 2,180.66

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Solution

The fourth proportional to 3,640.48, 5,462.08 and 2,180.66 is: 3,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.48 : 5,462.08 = 2,180.66 : x
  2. Step 2: Convert to fraction form
    3,640.48/5,462.08 = 2,180.66/x
  3. Step 3: Cross multiply
    3,640.48x = 5,462.08 × 2,180.66
  4. Step 4: Simplify right side
    3,640.48x = 11,910,906.61
  5. Step 5: Solve for x
    x = 11,910,906.61/3,640.48
  6. Step 6: Final answer
    x = 3,271.80

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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.