Home / 2,247.11-3,371.31-930.62

Finding the Fourth Proportional to 2,247.11, 3,371.31 and 930.62

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Solution

The fourth proportional to 2,247.11, 3,371.31 and 930.62 is: 1,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.11 : 3,371.31 = 930.62 : x
  2. Step 2: Convert to fraction form
    2,247.11/3,371.31 = 930.62/x
  3. Step 3: Cross multiply
    2,247.11x = 3,371.31 × 930.62
  4. Step 4: Simplify right side
    2,247.11x = 3,137,391.66
  5. Step 5: Solve for x
    x = 3,137,391.66/2,247.11
  6. Step 6: Final answer
    x = 1,396.19

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1.5x scale

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.