Home / 3,851.27-5,777.62-1,219.44

Finding the Fourth Proportional to 3,851.27, 5,777.62 and 1,219.44

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Solution

The fourth proportional to 3,851.27, 5,777.62 and 1,219.44 is: 1,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.27 : 5,777.62 = 1,219.44 : x
  2. Step 2: Convert to fraction form
    3,851.27/5,777.62 = 1,219.44/x
  3. Step 3: Cross multiply
    3,851.27x = 5,777.62 × 1,219.44
  4. Step 4: Simplify right side
    3,851.27x = 7,045,460.93
  5. Step 5: Solve for x
    x = 7,045,460.93/3,851.27
  6. Step 6: Final answer
    x = 1,829.39

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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.