Home / 2,806.09-4,198.86-2,342.72

Finding the Fourth Proportional to 2,806.09, 4,198.86 and 2,342.72

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Solution

The fourth proportional to 2,806.09, 4,198.86 and 2,342.72 is: 3,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.09 : 4,198.86 = 2,342.72 : x
  2. Step 2: Convert to fraction form
    2,806.09/4,198.86 = 2,342.72/x
  3. Step 3: Cross multiply
    2,806.09x = 4,198.86 × 2,342.72
  4. Step 4: Simplify right side
    2,806.09x = 9,836,763.80
  5. Step 5: Solve for x
    x = 9,836,763.80/2,806.09
  6. Step 6: Final answer
    x = 3,505.51

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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.