Home / 3,692.43-5,540.91-2,135.50

Finding the Fourth Proportional to 3,692.43, 5,540.91 and 2,135.50

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Solution

The fourth proportional to 3,692.43, 5,540.91 and 2,135.50 is: 3,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.43 : 5,540.91 = 2,135.50 : x
  2. Step 2: Convert to fraction form
    3,692.43/5,540.91 = 2,135.50/x
  3. Step 3: Cross multiply
    3,692.43x = 5,540.91 × 2,135.50
  4. Step 4: Simplify right side
    3,692.43x = 11,832,613.31
  5. Step 5: Solve for x
    x = 11,832,613.31/3,692.43
  6. Step 6: Final answer
    x = 3,204.56

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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.