Home / 3,791.89-5,233.98-2,220.49

Finding the Fourth Proportional to 3,791.89, 5,233.98 and 2,220.49

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Solution

The fourth proportional to 3,791.89, 5,233.98 and 2,220.49 is: 3,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.89 : 5,233.98 = 2,220.49 : x
  2. Step 2: Convert to fraction form
    3,791.89/5,233.98 = 2,220.49/x
  3. Step 3: Cross multiply
    3,791.89x = 5,233.98 × 2,220.49
  4. Step 4: Simplify right side
    3,791.89x = 11,622,000.25
  5. Step 5: Solve for x
    x = 11,622,000.25/3,791.89
  6. Step 6: Final answer
    x = 3,064.96

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1.5x scale

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.