Home / 3,692.62-5,539.84-1,227.70

Finding the Fourth Proportional to 3,692.62, 5,539.84 and 1,227.70

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Solution

The fourth proportional to 3,692.62, 5,539.84 and 1,227.70 is: 1,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.62 : 5,539.84 = 1,227.70 : x
  2. Step 2: Convert to fraction form
    3,692.62/5,539.84 = 1,227.70/x
  3. Step 3: Cross multiply
    3,692.62x = 5,539.84 × 1,227.70
  4. Step 4: Simplify right side
    3,692.62x = 6,801,261.57
  5. Step 5: Solve for x
    x = 6,801,261.57/3,692.62
  6. Step 6: Final answer
    x = 1,841.85

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1.5x scale

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.