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Finding the Fourth Proportional to 2,850.66, 4,279.68 and 2,733.66

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Solution

The fourth proportional to 2,850.66, 4,279.68 and 2,733.66 is: 4,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.66 : 4,279.68 = 2,733.66 : x
  2. Step 2: Convert to fraction form
    2,850.66/4,279.68 = 2,733.66/x
  3. Step 3: Cross multiply
    2,850.66x = 4,279.68 × 2,733.66
  4. Step 4: Simplify right side
    2,850.66x = 11,699,190.03
  5. Step 5: Solve for x
    x = 11,699,190.03/2,850.66
  6. Step 6: Final answer
    x = 4,104.03

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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.