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Finding the Fourth Proportional to 1,793.33, 2,474.81 and 1,007.39

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Solution

The fourth proportional to 1,793.33, 2,474.81 and 1,007.39 is: 1,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.33 : 2,474.81 = 1,007.39 : x
  2. Step 2: Convert to fraction form
    1,793.33/2,474.81 = 1,007.39/x
  3. Step 3: Cross multiply
    1,793.33x = 2,474.81 × 1,007.39
  4. Step 4: Simplify right side
    1,793.33x = 2,493,098.85
  5. Step 5: Solve for x
    x = 2,493,098.85/1,793.33
  6. Step 6: Final answer
    x = 1,390.21

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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.