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Finding the Fourth Proportional to 2,828.73, 4,243.03 and 1,366.84

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Solution

The fourth proportional to 2,828.73, 4,243.03 and 1,366.84 is: 2,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.73 : 4,243.03 = 1,366.84 : x
  2. Step 2: Convert to fraction form
    2,828.73/4,243.03 = 1,366.84/x
  3. Step 3: Cross multiply
    2,828.73x = 4,243.03 × 1,366.84
  4. Step 4: Simplify right side
    2,828.73x = 5,799,543.13
  5. Step 5: Solve for x
    x = 5,799,543.13/2,828.73
  6. Step 6: Final answer
    x = 2,050.23

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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.