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Finding the Fourth Proportional to 2,129.00, 3,190.24 and 895.73

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Solution

The fourth proportional to 2,129.00, 3,190.24 and 895.73 is: 1,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.00 : 3,190.24 = 895.73 : x
  2. Step 2: Convert to fraction form
    2,129.00/3,190.24 = 895.73/x
  3. Step 3: Cross multiply
    2,129.00x = 3,190.24 × 895.73
  4. Step 4: Simplify right side
    2,129.00x = 2,857,589.20
  5. Step 5: Solve for x
    x = 2,857,589.20/2,129.00
  6. Step 6: Final answer
    x = 1,342.22

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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.