Home / 2,292.22-3,161.37-1,992.97

Finding the Fourth Proportional to 2,292.22, 3,161.37 and 1,992.97

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Solution

The fourth proportional to 2,292.22, 3,161.37 and 1,992.97 is: 2,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.22 : 3,161.37 = 1,992.97 : x
  2. Step 2: Convert to fraction form
    2,292.22/3,161.37 = 1,992.97/x
  3. Step 3: Cross multiply
    2,292.22x = 3,161.37 × 1,992.97
  4. Step 4: Simplify right side
    2,292.22x = 6,300,515.57
  5. Step 5: Solve for x
    x = 6,300,515.57/2,292.22
  6. Step 6: Final answer
    x = 2,748.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.