Home / 3,322-4,979.76-1,099.31

Finding the Fourth Proportional to 3,322, 4,979.76 and 1,099.31

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Solution

The fourth proportional to 3,322, 4,979.76 and 1,099.31 is: 1,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322 : 4,979.76 = 1,099.31 : x
  2. Step 2: Convert to fraction form
    3,322/4,979.76 = 1,099.31/x
  3. Step 3: Cross multiply
    3,322x = 4,979.76 × 1,099.31
  4. Step 4: Simplify right side
    3,322x = 5,474,299.97
  5. Step 5: Solve for x
    x = 5,474,299.97/3,322
  6. Step 6: Final answer
    x = 1,647.89

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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.