Home / 2,247.30-3,371.50-687.33

Finding the Fourth Proportional to 2,247.30, 3,371.50 and 687.33

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Solution

The fourth proportional to 2,247.30, 3,371.50 and 687.33 is: 1,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.30 : 3,371.50 = 687.33 : x
  2. Step 2: Convert to fraction form
    2,247.30/3,371.50 = 687.33/x
  3. Step 3: Cross multiply
    2,247.30x = 3,371.50 × 687.33
  4. Step 4: Simplify right side
    2,247.30x = 2,317,333.10
  5. Step 5: Solve for x
    x = 2,317,333.10/2,247.30
  6. Step 6: Final answer
    x = 1,031.16

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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.