Home / 2,037.75-2,811.14-1,198.44

Finding the Fourth Proportional to 2,037.75, 2,811.14 and 1,198.44

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Solution

The fourth proportional to 2,037.75, 2,811.14 and 1,198.44 is: 1,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.75 : 2,811.14 = 1,198.44 : x
  2. Step 2: Convert to fraction form
    2,037.75/2,811.14 = 1,198.44/x
  3. Step 3: Cross multiply
    2,037.75x = 2,811.14 × 1,198.44
  4. Step 4: Simplify right side
    2,037.75x = 3,368,970.58
  5. Step 5: Solve for x
    x = 3,368,970.58/2,037.75
  6. Step 6: Final answer
    x = 1,653.28

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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.