Home / 3,859.44-5,789.70-1,262.31

Finding the Fourth Proportional to 3,859.44, 5,789.70 and 1,262.31

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Solution

The fourth proportional to 3,859.44, 5,789.70 and 1,262.31 is: 1,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.44 : 5,789.70 = 1,262.31 : x
  2. Step 2: Convert to fraction form
    3,859.44/5,789.70 = 1,262.31/x
  3. Step 3: Cross multiply
    3,859.44x = 5,789.70 × 1,262.31
  4. Step 4: Simplify right side
    3,859.44x = 7,308,396.21
  5. Step 5: Solve for x
    x = 7,308,396.21/3,859.44
  6. Step 6: Final answer
    x = 1,893.64

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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.