Home / 2,037.48-2,811.72-1,198.12

Finding the Fourth Proportional to 2,037.48, 2,811.72 and 1,198.12

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Solution

The fourth proportional to 2,037.48, 2,811.72 and 1,198.12 is: 1,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.48 : 2,811.72 = 1,198.12 : x
  2. Step 2: Convert to fraction form
    2,037.48/2,811.72 = 1,198.12/x
  3. Step 3: Cross multiply
    2,037.48x = 2,811.72 × 1,198.12
  4. Step 4: Simplify right side
    2,037.48x = 3,368,777.97
  5. Step 5: Solve for x
    x = 3,368,777.97/2,037.48
  6. Step 6: Final answer
    x = 1,653.40

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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.