Home / 3,414.09-5,121.90-1,334.10

Finding the Fourth Proportional to 3,414.09, 5,121.90 and 1,334.10

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Solution

The fourth proportional to 3,414.09, 5,121.90 and 1,334.10 is: 2,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.09 : 5,121.90 = 1,334.10 : x
  2. Step 2: Convert to fraction form
    3,414.09/5,121.90 = 1,334.10/x
  3. Step 3: Cross multiply
    3,414.09x = 5,121.90 × 1,334.10
  4. Step 4: Simplify right side
    3,414.09x = 6,833,126.79
  5. Step 5: Solve for x
    x = 6,833,126.79/3,414.09
  6. Step 6: Final answer
    x = 2,001.45

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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.