Home / 2,247.12-3,371.40-949.68

Finding the Fourth Proportional to 2,247.12, 3,371.40 and 949.68

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Solution

The fourth proportional to 2,247.12, 3,371.40 and 949.68 is: 1,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.12 : 3,371.40 = 949.68 : x
  2. Step 2: Convert to fraction form
    2,247.12/3,371.40 = 949.68/x
  3. Step 3: Cross multiply
    2,247.12x = 3,371.40 × 949.68
  4. Step 4: Simplify right side
    2,247.12x = 3,201,751.15
  5. Step 5: Solve for x
    x = 3,201,751.15/2,247.12
  6. Step 6: Final answer
    x = 1,424.82

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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.