Home / 3,163.87-4,366.40-1,747.69

Finding the Fourth Proportional to 3,163.87, 4,366.40 and 1,747.69

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Solution

The fourth proportional to 3,163.87, 4,366.40 and 1,747.69 is: 2,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.87 : 4,366.40 = 1,747.69 : x
  2. Step 2: Convert to fraction form
    3,163.87/4,366.40 = 1,747.69/x
  3. Step 3: Cross multiply
    3,163.87x = 4,366.40 × 1,747.69
  4. Step 4: Simplify right side
    3,163.87x = 7,631,093.96
  5. Step 5: Solve for x
    x = 7,631,093.96/3,163.87
  6. Step 6: Final answer
    x = 2,411.95

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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.