Home / 2,656.26-3,986.19-1,195.47

Finding the Fourth Proportional to 2,656.26, 3,986.19 and 1,195.47

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Solution

The fourth proportional to 2,656.26, 3,986.19 and 1,195.47 is: 1,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.26 : 3,986.19 = 1,195.47 : x
  2. Step 2: Convert to fraction form
    2,656.26/3,986.19 = 1,195.47/x
  3. Step 3: Cross multiply
    2,656.26x = 3,986.19 × 1,195.47
  4. Step 4: Simplify right side
    2,656.26x = 4,765,370.56
  5. Step 5: Solve for x
    x = 4,765,370.56/2,656.26
  6. Step 6: Final answer
    x = 1,794.02

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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.