Home / 3,859.45-5,789.99-1,262.19

Finding the Fourth Proportional to 3,859.45, 5,789.99 and 1,262.19

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Solution

The fourth proportional to 3,859.45, 5,789.99 and 1,262.19 is: 1,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.45 : 5,789.99 = 1,262.19 : x
  2. Step 2: Convert to fraction form
    3,859.45/5,789.99 = 1,262.19/x
  3. Step 3: Cross multiply
    3,859.45x = 5,789.99 × 1,262.19
  4. Step 4: Simplify right side
    3,859.45x = 7,308,067.48
  5. Step 5: Solve for x
    x = 7,308,067.48/3,859.45
  6. Step 6: Final answer
    x = 1,893.55

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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.