Home / 2,728.46-4,092.70-1,628.88

Finding the Fourth Proportional to 2,728.46, 4,092.70 and 1,628.88

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Solution

The fourth proportional to 2,728.46, 4,092.70 and 1,628.88 is: 2,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.46 : 4,092.70 = 1,628.88 : x
  2. Step 2: Convert to fraction form
    2,728.46/4,092.70 = 1,628.88/x
  3. Step 3: Cross multiply
    2,728.46x = 4,092.70 × 1,628.88
  4. Step 4: Simplify right side
    2,728.46x = 6,666,517.18
  5. Step 5: Solve for x
    x = 6,666,517.18/2,728.46
  6. Step 6: Final answer
    x = 2,443.33

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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.