Home / 2,729.50-3,771.66-1,942.18

Finding the Fourth Proportional to 2,729.50, 3,771.66 and 1,942.18

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Solution

The fourth proportional to 2,729.50, 3,771.66 and 1,942.18 is: 2,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.50 : 3,771.66 = 1,942.18 : x
  2. Step 2: Convert to fraction form
    2,729.50/3,771.66 = 1,942.18/x
  3. Step 3: Cross multiply
    2,729.50x = 3,771.66 × 1,942.18
  4. Step 4: Simplify right side
    2,729.50x = 7,325,240.47
  5. Step 5: Solve for x
    x = 7,325,240.47/2,729.50
  6. Step 6: Final answer
    x = 2,683.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.