Home / 2,292.57-3,163.94-1,298.02

Finding the Fourth Proportional to 2,292.57, 3,163.94 and 1,298.02

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Solution

The fourth proportional to 2,292.57, 3,163.94 and 1,298.02 is: 1,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.57 : 3,163.94 = 1,298.02 : x
  2. Step 2: Convert to fraction form
    2,292.57/3,163.94 = 1,298.02/x
  3. Step 3: Cross multiply
    2,292.57x = 3,163.94 × 1,298.02
  4. Step 4: Simplify right side
    2,292.57x = 4,106,857.40
  5. Step 5: Solve for x
    x = 4,106,857.40/2,292.57
  6. Step 6: Final answer
    x = 1,791.38

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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.