Home / 3,414.13-5,121.26-1,222.81

Finding the Fourth Proportional to 3,414.13, 5,121.26 and 1,222.81

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Solution

The fourth proportional to 3,414.13, 5,121.26 and 1,222.81 is: 1,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.13 : 5,121.26 = 1,222.81 : x
  2. Step 2: Convert to fraction form
    3,414.13/5,121.26 = 1,222.81/x
  3. Step 3: Cross multiply
    3,414.13x = 5,121.26 × 1,222.81
  4. Step 4: Simplify right side
    3,414.13x = 6,262,327.94
  5. Step 5: Solve for x
    x = 6,262,327.94/3,414.13
  6. Step 6: Final answer
    x = 1,834.24

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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.