Home / 3,469.38-5,200.89-1,276.44

Finding the Fourth Proportional to 3,469.38, 5,200.89 and 1,276.44

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Solution

The fourth proportional to 3,469.38, 5,200.89 and 1,276.44 is: 1,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.38 : 5,200.89 = 1,276.44 : x
  2. Step 2: Convert to fraction form
    3,469.38/5,200.89 = 1,276.44/x
  3. Step 3: Cross multiply
    3,469.38x = 5,200.89 × 1,276.44
  4. Step 4: Simplify right side
    3,469.38x = 6,638,624.03
  5. Step 5: Solve for x
    x = 6,638,624.03/3,469.38
  6. Step 6: Final answer
    x = 1,913.49

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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.