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Finding the Fourth Proportional to 3,296.08, 4,944.12 and 1,322.61

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Solution

The fourth proportional to 3,296.08, 4,944.12 and 1,322.61 is: 1,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.08 : 4,944.12 = 1,322.61 : x
  2. Step 2: Convert to fraction form
    3,296.08/4,944.12 = 1,322.61/x
  3. Step 3: Cross multiply
    3,296.08x = 4,944.12 × 1,322.61
  4. Step 4: Simplify right side
    3,296.08x = 6,539,142.55
  5. Step 5: Solve for x
    x = 6,539,142.55/3,296.08
  6. Step 6: Final answer
    x = 1,983.92

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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.