Home / 2,650.14-3,976.65-1,112.22

Finding the Fourth Proportional to 2,650.14, 3,976.65 and 1,112.22

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Solution

The fourth proportional to 2,650.14, 3,976.65 and 1,112.22 is: 1,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.14 : 3,976.65 = 1,112.22 : x
  2. Step 2: Convert to fraction form
    2,650.14/3,976.65 = 1,112.22/x
  3. Step 3: Cross multiply
    2,650.14x = 3,976.65 × 1,112.22
  4. Step 4: Simplify right side
    2,650.14x = 4,422,909.66
  5. Step 5: Solve for x
    x = 4,422,909.66/2,650.14
  6. Step 6: Final answer
    x = 1,668.93

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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.