Home / 3,414.69-5,121.81-949.46

Finding the Fourth Proportional to 3,414.69, 5,121.81 and 949.46

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Solution

The fourth proportional to 3,414.69, 5,121.81 and 949.46 is: 1,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.69 : 5,121.81 = 949.46 : x
  2. Step 2: Convert to fraction form
    3,414.69/5,121.81 = 949.46/x
  3. Step 3: Cross multiply
    3,414.69x = 5,121.81 × 949.46
  4. Step 4: Simplify right side
    3,414.69x = 4,862,953.72
  5. Step 5: Solve for x
    x = 4,862,953.72/3,414.69
  6. Step 6: Final answer
    x = 1,424.13

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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.