Home / 3,969.26-5,477.49-2,200.85

Finding the Fourth Proportional to 3,969.26, 5,477.49 and 2,200.85

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Solution

The fourth proportional to 3,969.26, 5,477.49 and 2,200.85 is: 3,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.26 : 5,477.49 = 2,200.85 : x
  2. Step 2: Convert to fraction form
    3,969.26/5,477.49 = 2,200.85/x
  3. Step 3: Cross multiply
    3,969.26x = 5,477.49 × 2,200.85
  4. Step 4: Simplify right side
    3,969.26x = 12,055,133.87
  5. Step 5: Solve for x
    x = 12,055,133.87/3,969.26
  6. Step 6: Final answer
    x = 3,037.12

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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.