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Finding the Fourth Proportional to 2,424.44, 3,636.57 and 843.52

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Solution

The fourth proportional to 2,424.44, 3,636.57 and 843.52 is: 1,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.44 : 3,636.57 = 843.52 : x
  2. Step 2: Convert to fraction form
    2,424.44/3,636.57 = 843.52/x
  3. Step 3: Cross multiply
    2,424.44x = 3,636.57 × 843.52
  4. Step 4: Simplify right side
    2,424.44x = 3,067,533.07
  5. Step 5: Solve for x
    x = 3,067,533.07/2,424.44
  6. Step 6: Final answer
    x = 1,265.25

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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.