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Finding the Fourth Proportional to 3,692.91, 5,540.28 and 1,095.85

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Solution

The fourth proportional to 3,692.91, 5,540.28 and 1,095.85 is: 1,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.91 : 5,540.28 = 1,095.85 : x
  2. Step 2: Convert to fraction form
    3,692.91/5,540.28 = 1,095.85/x
  3. Step 3: Cross multiply
    3,692.91x = 5,540.28 × 1,095.85
  4. Step 4: Simplify right side
    3,692.91x = 6,071,282.66
  5. Step 5: Solve for x
    x = 6,071,282.66/3,692.91
  6. Step 6: Final answer
    x = 1,644.04

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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.