Home / 2,650.26-3,976.60-1,352.64

Finding the Fourth Proportional to 2,650.26, 3,976.60 and 1,352.64

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Solution

The fourth proportional to 2,650.26, 3,976.60 and 1,352.64 is: 2,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.26 : 3,976.60 = 1,352.64 : x
  2. Step 2: Convert to fraction form
    2,650.26/3,976.60 = 1,352.64/x
  3. Step 3: Cross multiply
    2,650.26x = 3,976.60 × 1,352.64
  4. Step 4: Simplify right side
    2,650.26x = 5,378,908.22
  5. Step 5: Solve for x
    x = 5,378,908.22/2,650.26
  6. Step 6: Final answer
    x = 2,029.58

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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.