Home / 2,659.20-3,986.07-1,199.37

Finding the Fourth Proportional to 2,659.20, 3,986.07 and 1,199.37

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Solution

The fourth proportional to 2,659.20, 3,986.07 and 1,199.37 is: 1,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.20 : 3,986.07 = 1,199.37 : x
  2. Step 2: Convert to fraction form
    2,659.20/3,986.07 = 1,199.37/x
  3. Step 3: Cross multiply
    2,659.20x = 3,986.07 × 1,199.37
  4. Step 4: Simplify right side
    2,659.20x = 4,780,782.74
  5. Step 5: Solve for x
    x = 4,780,782.74/2,659.20
  6. Step 6: Final answer
    x = 1,797.83

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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.