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Finding the Fourth Proportional to 2,403.43, 3,605.30 and 843.24

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Solution

The fourth proportional to 2,403.43, 3,605.30 and 843.24 is: 1,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.43 : 3,605.30 = 843.24 : x
  2. Step 2: Convert to fraction form
    2,403.43/3,605.30 = 843.24/x
  3. Step 3: Cross multiply
    2,403.43x = 3,605.30 × 843.24
  4. Step 4: Simplify right side
    2,403.43x = 3,040,145.64
  5. Step 5: Solve for x
    x = 3,040,145.64/2,403.43
  6. Step 6: Final answer
    x = 1,264.92

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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.