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Finding the Fourth Proportional to 1,351.44, 2,029.48 and 834.50

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Solution

The fourth proportional to 1,351.44, 2,029.48 and 834.50 is: 1,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.44 : 2,029.48 = 834.50 : x
  2. Step 2: Convert to fraction form
    1,351.44/2,029.48 = 834.50/x
  3. Step 3: Cross multiply
    1,351.44x = 2,029.48 × 834.50
  4. Step 4: Simplify right side
    1,351.44x = 1,693,606.39
  5. Step 5: Solve for x
    x = 1,693,606.39/1,351.44
  6. Step 6: Final answer
    x = 1,253.18

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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.