Home / 2,081.99-2,873.41-1,197.79

Finding the Fourth Proportional to 2,081.99, 2,873.41 and 1,197.79

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Solution

The fourth proportional to 2,081.99, 2,873.41 and 1,197.79 is: 1,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.99 : 2,873.41 = 1,197.79 : x
  2. Step 2: Convert to fraction form
    2,081.99/2,873.41 = 1,197.79/x
  3. Step 3: Cross multiply
    2,081.99x = 2,873.41 × 1,197.79
  4. Step 4: Simplify right side
    2,081.99x = 3,441,731.59
  5. Step 5: Solve for x
    x = 3,441,731.59/2,081.99
  6. Step 6: Final answer
    x = 1,653.10

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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.