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Finding the Fourth Proportional to 2,733, 3,771.60 and 1,553.64

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Solution

The fourth proportional to 2,733, 3,771.60 and 1,553.64 is: 2,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733 : 3,771.60 = 1,553.64 : x
  2. Step 2: Convert to fraction form
    2,733/3,771.60 = 1,553.64/x
  3. Step 3: Cross multiply
    2,733x = 3,771.60 × 1,553.64
  4. Step 4: Simplify right side
    2,733x = 5,859,708.62
  5. Step 5: Solve for x
    x = 5,859,708.62/2,733
  6. Step 6: Final answer
    x = 2,144.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.