Home / 3,843.45-5,760.60-1,647.54

Finding the Fourth Proportional to 3,843.45, 5,760.60 and 1,647.54

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Solution

The fourth proportional to 3,843.45, 5,760.60 and 1,647.54 is: 2,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.45 : 5,760.60 = 1,647.54 : x
  2. Step 2: Convert to fraction form
    3,843.45/5,760.60 = 1,647.54/x
  3. Step 3: Cross multiply
    3,843.45x = 5,760.60 × 1,647.54
  4. Step 4: Simplify right side
    3,843.45x = 9,490,818.92
  5. Step 5: Solve for x
    x = 9,490,818.92/3,843.45
  6. Step 6: Final answer
    x = 2,469.35

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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.