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Finding the Fourth Proportional to 2,469.47, 3,692.97 and 1,845.20

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Solution

The fourth proportional to 2,469.47, 3,692.97 and 1,845.20 is: 2,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.47 : 3,692.97 = 1,845.20 : x
  2. Step 2: Convert to fraction form
    2,469.47/3,692.97 = 1,845.20/x
  3. Step 3: Cross multiply
    2,469.47x = 3,692.97 × 1,845.20
  4. Step 4: Simplify right side
    2,469.47x = 6,814,268.24
  5. Step 5: Solve for x
    x = 6,814,268.24/2,469.47
  6. Step 6: Final answer
    x = 2,759.41

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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.