Home / 3,414.07-5,121.20-1,333.99

Finding the Fourth Proportional to 3,414.07, 5,121.20 and 1,333.99

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Solution

The fourth proportional to 3,414.07, 5,121.20 and 1,333.99 is: 2,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.07 : 5,121.20 = 1,333.99 : x
  2. Step 2: Convert to fraction form
    3,414.07/5,121.20 = 1,333.99/x
  3. Step 3: Cross multiply
    3,414.07x = 5,121.20 × 1,333.99
  4. Step 4: Simplify right side
    3,414.07x = 6,831,620.12
  5. Step 5: Solve for x
    x = 6,831,620.12/3,414.07
  6. Step 6: Final answer
    x = 2,001.02

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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.