Home / 3,296.13-4,936.64-2,138.37

Finding the Fourth Proportional to 3,296.13, 4,936.64 and 2,138.37

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Solution

The fourth proportional to 3,296.13, 4,936.64 and 2,138.37 is: 3,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.13 : 4,936.64 = 2,138.37 : x
  2. Step 2: Convert to fraction form
    3,296.13/4,936.64 = 2,138.37/x
  3. Step 3: Cross multiply
    3,296.13x = 4,936.64 × 2,138.37
  4. Step 4: Simplify right side
    3,296.13x = 10,556,352.18
  5. Step 5: Solve for x
    x = 10,556,352.18/3,296.13
  6. Step 6: Final answer
    x = 3,202.65

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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.