Home / 2,208.38-3,311.87-1,037.66

Finding the Fourth Proportional to 2,208.38, 3,311.87 and 1,037.66

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Solution

The fourth proportional to 2,208.38, 3,311.87 and 1,037.66 is: 1,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.38 : 3,311.87 = 1,037.66 : x
  2. Step 2: Convert to fraction form
    2,208.38/3,311.87 = 1,037.66/x
  3. Step 3: Cross multiply
    2,208.38x = 3,311.87 × 1,037.66
  4. Step 4: Simplify right side
    2,208.38x = 3,436,573.28
  5. Step 5: Solve for x
    x = 3,436,573.28/2,208.38
  6. Step 6: Final answer
    x = 1,556.15

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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.