Home / 3,119-4,304.22-2,292.44

Finding the Fourth Proportional to 3,119, 4,304.22 and 2,292.44

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Solution

The fourth proportional to 3,119, 4,304.22 and 2,292.44 is: 3,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119 : 4,304.22 = 2,292.44 : x
  2. Step 2: Convert to fraction form
    3,119/4,304.22 = 2,292.44/x
  3. Step 3: Cross multiply
    3,119x = 4,304.22 × 2,292.44
  4. Step 4: Simplify right side
    3,119x = 9,867,166.10
  5. Step 5: Solve for x
    x = 9,867,166.10/3,119
  6. Step 6: Final answer
    x = 3,163.57

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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.