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Finding the Fourth Proportional to 1,828.97, 2,743.66 and 733.21

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Solution

The fourth proportional to 1,828.97, 2,743.66 and 733.21 is: 1,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.97 : 2,743.66 = 733.21 : x
  2. Step 2: Convert to fraction form
    1,828.97/2,743.66 = 733.21/x
  3. Step 3: Cross multiply
    1,828.97x = 2,743.66 × 733.21
  4. Step 4: Simplify right side
    1,828.97x = 2,011,683.29
  5. Step 5: Solve for x
    x = 2,011,683.29/1,828.97
  6. Step 6: Final answer
    x = 1,099.90

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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.