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Finding the Fourth Proportional to 2,873.38, 4,310.07 and 793.40

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Solution

The fourth proportional to 2,873.38, 4,310.07 and 793.40 is: 1,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.38 : 4,310.07 = 793.40 : x
  2. Step 2: Convert to fraction form
    2,873.38/4,310.07 = 793.40/x
  3. Step 3: Cross multiply
    2,873.38x = 4,310.07 × 793.40
  4. Step 4: Simplify right side
    2,873.38x = 3,419,605.57
  5. Step 5: Solve for x
    x = 3,419,605.57/2,873.38
  6. Step 6: Final answer
    x = 1,190.10

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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.