Home / 3,239.87-4,859.33-1,159.79

Finding the Fourth Proportional to 3,239.87, 4,859.33 and 1,159.79

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Solution

The fourth proportional to 3,239.87, 4,859.33 and 1,159.79 is: 1,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.87 : 4,859.33 = 1,159.79 : x
  2. Step 2: Convert to fraction form
    3,239.87/4,859.33 = 1,159.79/x
  3. Step 3: Cross multiply
    3,239.87x = 4,859.33 × 1,159.79
  4. Step 4: Simplify right side
    3,239.87x = 5,635,772.25
  5. Step 5: Solve for x
    x = 5,635,772.25/3,239.87
  6. Step 6: Final answer
    x = 1,739.51

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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.