Home / 2,747.70-4,121.97-1,361.07

Finding the Fourth Proportional to 2,747.70, 4,121.97 and 1,361.07

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Solution

The fourth proportional to 2,747.70, 4,121.97 and 1,361.07 is: 2,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.70 : 4,121.97 = 1,361.07 : x
  2. Step 2: Convert to fraction form
    2,747.70/4,121.97 = 1,361.07/x
  3. Step 3: Cross multiply
    2,747.70x = 4,121.97 × 1,361.07
  4. Step 4: Simplify right side
    2,747.70x = 5,610,289.71
  5. Step 5: Solve for x
    x = 5,610,289.71/2,747.70
  6. Step 6: Final answer
    x = 2,041.81

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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.