Home / 1,822.32-2,732.22-1,272.96

Finding the Fourth Proportional to 1,822.32, 2,732.22 and 1,272.96

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Solution

The fourth proportional to 1,822.32, 2,732.22 and 1,272.96 is: 1,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.32 : 2,732.22 = 1,272.96 : x
  2. Step 2: Convert to fraction form
    1,822.32/2,732.22 = 1,272.96/x
  3. Step 3: Cross multiply
    1,822.32x = 2,732.22 × 1,272.96
  4. Step 4: Simplify right side
    1,822.32x = 3,478,006.77
  5. Step 5: Solve for x
    x = 3,478,006.77/1,822.32
  6. Step 6: Final answer
    x = 1,908.56

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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.