Home / 2,247.74-3,371.82-931.22

Finding the Fourth Proportional to 2,247.74, 3,371.82 and 931.22

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Solution

The fourth proportional to 2,247.74, 3,371.82 and 931.22 is: 1,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.74 : 3,371.82 = 931.22 : x
  2. Step 2: Convert to fraction form
    2,247.74/3,371.82 = 931.22/x
  3. Step 3: Cross multiply
    2,247.74x = 3,371.82 × 931.22
  4. Step 4: Simplify right side
    2,247.74x = 3,139,906.22
  5. Step 5: Solve for x
    x = 3,139,906.22/2,247.74
  6. Step 6: Final answer
    x = 1,396.92

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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.