Home / 2,806.74-4,209.84-1,882.80

Finding the Fourth Proportional to 2,806.74, 4,209.84 and 1,882.80

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Solution

The fourth proportional to 2,806.74, 4,209.84 and 1,882.80 is: 2,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.74 : 4,209.84 = 1,882.80 : x
  2. Step 2: Convert to fraction form
    2,806.74/4,209.84 = 1,882.80/x
  3. Step 3: Cross multiply
    2,806.74x = 4,209.84 × 1,882.80
  4. Step 4: Simplify right side
    2,806.74x = 7,926,286.75
  5. Step 5: Solve for x
    x = 7,926,286.75/2,806.74
  6. Step 6: Final answer
    x = 2,824.02

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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.