Home / 2,828.49-3,906.33-2,206.41

Finding the Fourth Proportional to 2,828.49, 3,906.33 and 2,206.41

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Solution

The fourth proportional to 2,828.49, 3,906.33 and 2,206.41 is: 3,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.49 : 3,906.33 = 2,206.41 : x
  2. Step 2: Convert to fraction form
    2,828.49/3,906.33 = 2,206.41/x
  3. Step 3: Cross multiply
    2,828.49x = 3,906.33 × 2,206.41
  4. Step 4: Simplify right side
    2,828.49x = 8,618,965.58
  5. Step 5: Solve for x
    x = 8,618,965.58/2,828.49
  6. Step 6: Final answer
    x = 3,047.20

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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.