Home / 3,286.26-4,930.14-1,339.02

Finding the Fourth Proportional to 3,286.26, 4,930.14 and 1,339.02

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Solution

The fourth proportional to 3,286.26, 4,930.14 and 1,339.02 is: 2,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.26 : 4,930.14 = 1,339.02 : x
  2. Step 2: Convert to fraction form
    3,286.26/4,930.14 = 1,339.02/x
  3. Step 3: Cross multiply
    3,286.26x = 4,930.14 × 1,339.02
  4. Step 4: Simplify right side
    3,286.26x = 6,601,556.06
  5. Step 5: Solve for x
    x = 6,601,556.06/3,286.26
  6. Step 6: Final answer
    x = 2,008.84

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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.