Home / 2,249.68-3,371.28-949.36

Finding the Fourth Proportional to 2,249.68, 3,371.28 and 949.36

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Solution

The fourth proportional to 2,249.68, 3,371.28 and 949.36 is: 1,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.68 : 3,371.28 = 949.36 : x
  2. Step 2: Convert to fraction form
    2,249.68/3,371.28 = 949.36/x
  3. Step 3: Cross multiply
    2,249.68x = 3,371.28 × 949.36
  4. Step 4: Simplify right side
    2,249.68x = 3,200,558.38
  5. Step 5: Solve for x
    x = 3,200,558.38/2,249.68
  6. Step 6: Final answer
    x = 1,422.67

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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.