Home / 1,822.17-2,733.24-1,128.42

Finding the Fourth Proportional to 1,822.17, 2,733.24 and 1,128.42

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Solution

The fourth proportional to 1,822.17, 2,733.24 and 1,128.42 is: 1,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.17 : 2,733.24 = 1,128.42 : x
  2. Step 2: Convert to fraction form
    1,822.17/2,733.24 = 1,128.42/x
  3. Step 3: Cross multiply
    1,822.17x = 2,733.24 × 1,128.42
  4. Step 4: Simplify right side
    1,822.17x = 3,084,242.68
  5. Step 5: Solve for x
    x = 3,084,242.68/1,822.17
  6. Step 6: Final answer
    x = 1,692.62

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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.