Home / 2,247.21-3,371.15-948.38

Finding the Fourth Proportional to 2,247.21, 3,371.15 and 948.38

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Solution

The fourth proportional to 2,247.21, 3,371.15 and 948.38 is: 1,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.21 : 3,371.15 = 948.38 : x
  2. Step 2: Convert to fraction form
    2,247.21/3,371.15 = 948.38/x
  3. Step 3: Cross multiply
    2,247.21x = 3,371.15 × 948.38
  4. Step 4: Simplify right side
    2,247.21x = 3,197,116.75
  5. Step 5: Solve for x
    x = 3,197,116.75/2,247.21
  6. Step 6: Final answer
    x = 1,422.70

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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.