Home / 3,640.87-5,022.98-2,241.19

Finding the Fourth Proportional to 3,640.87, 5,022.98 and 2,241.19

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Solution

The fourth proportional to 3,640.87, 5,022.98 and 2,241.19 is: 3,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.87 : 5,022.98 = 2,241.19 : x
  2. Step 2: Convert to fraction form
    3,640.87/5,022.98 = 2,241.19/x
  3. Step 3: Cross multiply
    3,640.87x = 5,022.98 × 2,241.19
  4. Step 4: Simplify right side
    3,640.87x = 11,257,441.34
  5. Step 5: Solve for x
    x = 11,257,441.34/3,640.87
  6. Step 6: Final answer
    x = 3,091.96

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Half scale
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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.