Home / 2,207.14-3,310.70-1,231.19

Finding the Fourth Proportional to 2,207.14, 3,310.70 and 1,231.19

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Solution

The fourth proportional to 2,207.14, 3,310.70 and 1,231.19 is: 1,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.14 : 3,310.70 = 1,231.19 : x
  2. Step 2: Convert to fraction form
    2,207.14/3,310.70 = 1,231.19/x
  3. Step 3: Cross multiply
    2,207.14x = 3,310.70 × 1,231.19
  4. Step 4: Simplify right side
    2,207.14x = 4,076,100.73
  5. Step 5: Solve for x
    x = 4,076,100.73/2,207.14
  6. Step 6: Final answer
    x = 1,846.78

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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.