Home / 1,694.94-2,540.58-1,108.09

Finding the Fourth Proportional to 1,694.94, 2,540.58 and 1,108.09

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Solution

The fourth proportional to 1,694.94, 2,540.58 and 1,108.09 is: 1,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.94 : 2,540.58 = 1,108.09 : x
  2. Step 2: Convert to fraction form
    1,694.94/2,540.58 = 1,108.09/x
  3. Step 3: Cross multiply
    1,694.94x = 2,540.58 × 1,108.09
  4. Step 4: Simplify right side
    1,694.94x = 2,815,191.29
  5. Step 5: Solve for x
    x = 2,815,191.29/1,694.94
  6. Step 6: Final answer
    x = 1,660.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.