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Finding the Fourth Proportional to 2,682.96, 3,704 and 2,052.28

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Solution

The fourth proportional to 2,682.96, 3,704 and 2,052.28 is: 2,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.96 : 3,704 = 2,052.28 : x
  2. Step 2: Convert to fraction form
    2,682.96/3,704 = 2,052.28/x
  3. Step 3: Cross multiply
    2,682.96x = 3,704 × 2,052.28
  4. Step 4: Simplify right side
    2,682.96x = 7,601,645.12
  5. Step 5: Solve for x
    x = 7,601,645.12/2,682.96
  6. Step 6: Final answer
    x = 2,833.31

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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.