Home / 3,227.87-4,841.69-919.37

Finding the Fourth Proportional to 3,227.87, 4,841.69 and 919.37

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Solution

The fourth proportional to 3,227.87, 4,841.69 and 919.37 is: 1,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.87 : 4,841.69 = 919.37 : x
  2. Step 2: Convert to fraction form
    3,227.87/4,841.69 = 919.37/x
  3. Step 3: Cross multiply
    3,227.87x = 4,841.69 × 919.37
  4. Step 4: Simplify right side
    3,227.87x = 4,451,289.98
  5. Step 5: Solve for x
    x = 4,451,289.98/3,227.87
  6. Step 6: Final answer
    x = 1,379.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.