Home / 3,299.37-4,949.55-1,107.57

Finding the Fourth Proportional to 3,299.37, 4,949.55 and 1,107.57

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Solution

The fourth proportional to 3,299.37, 4,949.55 and 1,107.57 is: 1,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.37 : 4,949.55 = 1,107.57 : x
  2. Step 2: Convert to fraction form
    3,299.37/4,949.55 = 1,107.57/x
  3. Step 3: Cross multiply
    3,299.37x = 4,949.55 × 1,107.57
  4. Step 4: Simplify right side
    3,299.37x = 5,481,973.09
  5. Step 5: Solve for x
    x = 5,481,973.09/3,299.37
  6. Step 6: Final answer
    x = 1,661.52

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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.