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Finding the Fourth Proportional to 3,884.73, 5,823.84 and 1,543.26

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Solution

The fourth proportional to 3,884.73, 5,823.84 and 1,543.26 is: 2,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.73 : 5,823.84 = 1,543.26 : x
  2. Step 2: Convert to fraction form
    3,884.73/5,823.84 = 1,543.26/x
  3. Step 3: Cross multiply
    3,884.73x = 5,823.84 × 1,543.26
  4. Step 4: Simplify right side
    3,884.73x = 8,987,699.32
  5. Step 5: Solve for x
    x = 8,987,699.32/3,884.73
  6. Step 6: Final answer
    x = 2,313.60

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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.