Home / 1,822.82-2,734.20-1,276.08

Finding the Fourth Proportional to 1,822.82, 2,734.20 and 1,276.08

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Solution

The fourth proportional to 1,822.82, 2,734.20 and 1,276.08 is: 1,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.82 : 2,734.20 = 1,276.08 : x
  2. Step 2: Convert to fraction form
    1,822.82/2,734.20 = 1,276.08/x
  3. Step 3: Cross multiply
    1,822.82x = 2,734.20 × 1,276.08
  4. Step 4: Simplify right side
    1,822.82x = 3,489,057.94
  5. Step 5: Solve for x
    x = 3,489,057.94/1,822.82
  6. Step 6: Final answer
    x = 1,914.10

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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.