Home / 1,816.62-2,722.77-1,382.46

Finding the Fourth Proportional to 1,816.62, 2,722.77 and 1,382.46

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Solution

The fourth proportional to 1,816.62, 2,722.77 and 1,382.46 is: 2,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.62 : 2,722.77 = 1,382.46 : x
  2. Step 2: Convert to fraction form
    1,816.62/2,722.77 = 1,382.46/x
  3. Step 3: Cross multiply
    1,816.62x = 2,722.77 × 1,382.46
  4. Step 4: Simplify right side
    1,816.62x = 3,764,120.61
  5. Step 5: Solve for x
    x = 3,764,120.61/1,816.62
  6. Step 6: Final answer
    x = 2,072.05

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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.