Home / 2,292.82-3,163.92-1,298.20

Finding the Fourth Proportional to 2,292.82, 3,163.92 and 1,298.20

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Solution

The fourth proportional to 2,292.82, 3,163.92 and 1,298.20 is: 1,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.82 : 3,163.92 = 1,298.20 : x
  2. Step 2: Convert to fraction form
    2,292.82/3,163.92 = 1,298.20/x
  3. Step 3: Cross multiply
    2,292.82x = 3,163.92 × 1,298.20
  4. Step 4: Simplify right side
    2,292.82x = 4,107,400.94
  5. Step 5: Solve for x
    x = 4,107,400.94/2,292.82
  6. Step 6: Final answer
    x = 1,791.42

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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.