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Finding the Fourth Proportional to 3,322.89, 4,979.61 and 1,473.39

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Solution

The fourth proportional to 3,322.89, 4,979.61 and 1,473.39 is: 2,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.89 : 4,979.61 = 1,473.39 : x
  2. Step 2: Convert to fraction form
    3,322.89/4,979.61 = 1,473.39/x
  3. Step 3: Cross multiply
    3,322.89x = 4,979.61 × 1,473.39
  4. Step 4: Simplify right side
    3,322.89x = 7,336,907.58
  5. Step 5: Solve for x
    x = 7,336,907.58/3,322.89
  6. Step 6: Final answer
    x = 2,207.99

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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.