Home / 1,891.10-2,836.49-1,195.74

Finding the Fourth Proportional to 1,891.10, 2,836.49 and 1,195.74

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Solution

The fourth proportional to 1,891.10, 2,836.49 and 1,195.74 is: 1,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.10 : 2,836.49 = 1,195.74 : x
  2. Step 2: Convert to fraction form
    1,891.10/2,836.49 = 1,195.74/x
  3. Step 3: Cross multiply
    1,891.10x = 2,836.49 × 1,195.74
  4. Step 4: Simplify right side
    1,891.10x = 3,391,698.57
  5. Step 5: Solve for x
    x = 3,391,698.57/1,891.10
  6. Step 6: Final answer
    x = 1,793.51

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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.