Home / 2,037.52-2,811.84-1,198.80

Finding the Fourth Proportional to 2,037.52, 2,811.84 and 1,198.80

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Solution

The fourth proportional to 2,037.52, 2,811.84 and 1,198.80 is: 1,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.52 : 2,811.84 = 1,198.80 : x
  2. Step 2: Convert to fraction form
    2,037.52/2,811.84 = 1,198.80/x
  3. Step 3: Cross multiply
    2,037.52x = 2,811.84 × 1,198.80
  4. Step 4: Simplify right side
    2,037.52x = 3,370,833.79
  5. Step 5: Solve for x
    x = 3,370,833.79/2,037.52
  6. Step 6: Final answer
    x = 1,654.38

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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.