Home / 2,200.97-3,037.31-1,192.65

Finding the Fourth Proportional to 2,200.97, 3,037.31 and 1,192.65

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Solution

The fourth proportional to 2,200.97, 3,037.31 and 1,192.65 is: 1,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.97 : 3,037.31 = 1,192.65 : x
  2. Step 2: Convert to fraction form
    2,200.97/3,037.31 = 1,192.65/x
  3. Step 3: Cross multiply
    2,200.97x = 3,037.31 × 1,192.65
  4. Step 4: Simplify right side
    2,200.97x = 3,622,441.81
  5. Step 5: Solve for x
    x = 3,622,441.81/2,200.97
  6. Step 6: Final answer
    x = 1,645.84

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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.