Home / 3,414.49-5,121.57-1,412.93

Finding the Fourth Proportional to 3,414.49, 5,121.57 and 1,412.93

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Solution

The fourth proportional to 3,414.49, 5,121.57 and 1,412.93 is: 2,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.49 : 5,121.57 = 1,412.93 : x
  2. Step 2: Convert to fraction form
    3,414.49/5,121.57 = 1,412.93/x
  3. Step 3: Cross multiply
    3,414.49x = 5,121.57 × 1,412.93
  4. Step 4: Simplify right side
    3,414.49x = 7,236,419.90
  5. Step 5: Solve for x
    x = 7,236,419.90/3,414.49
  6. Step 6: Final answer
    x = 2,119.33

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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.