Home / 1,822.19-2,731.88-1,204.36

Finding the Fourth Proportional to 1,822.19, 2,731.88 and 1,204.36

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Solution

The fourth proportional to 1,822.19, 2,731.88 and 1,204.36 is: 1,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.19 : 2,731.88 = 1,204.36 : x
  2. Step 2: Convert to fraction form
    1,822.19/2,731.88 = 1,204.36/x
  3. Step 3: Cross multiply
    1,822.19x = 2,731.88 × 1,204.36
  4. Step 4: Simplify right side
    1,822.19x = 3,290,163.18
  5. Step 5: Solve for x
    x = 3,290,163.18/1,822.19
  6. Step 6: Final answer
    x = 1,805.61

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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.