Home / 2,247.75-3,371.67-786.90

Finding the Fourth Proportional to 2,247.75, 3,371.67 and 786.90

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Solution

The fourth proportional to 2,247.75, 3,371.67 and 786.90 is: 1,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.75 : 3,371.67 = 786.90 : x
  2. Step 2: Convert to fraction form
    2,247.75/3,371.67 = 786.90/x
  3. Step 3: Cross multiply
    2,247.75x = 3,371.67 × 786.90
  4. Step 4: Simplify right side
    2,247.75x = 2,653,167.12
  5. Step 5: Solve for x
    x = 2,653,167.12/2,247.75
  6. Step 6: Final answer
    x = 1,180.37

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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.