Home / 3,830.26-5,745.42-1,637.86

Finding the Fourth Proportional to 3,830.26, 5,745.42 and 1,637.86

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Solution

The fourth proportional to 3,830.26, 5,745.42 and 1,637.86 is: 2,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.26 : 5,745.42 = 1,637.86 : x
  2. Step 2: Convert to fraction form
    3,830.26/5,745.42 = 1,637.86/x
  3. Step 3: Cross multiply
    3,830.26x = 5,745.42 × 1,637.86
  4. Step 4: Simplify right side
    3,830.26x = 9,410,193.60
  5. Step 5: Solve for x
    x = 9,410,193.60/3,830.26
  6. Step 6: Final answer
    x = 2,456.80

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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.