Home / 1,996.32-2,995.16-826.96

Finding the Fourth Proportional to 1,996.32, 2,995.16 and 826.96

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Solution

The fourth proportional to 1,996.32, 2,995.16 and 826.96 is: 1,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.32 : 2,995.16 = 826.96 : x
  2. Step 2: Convert to fraction form
    1,996.32/2,995.16 = 826.96/x
  3. Step 3: Cross multiply
    1,996.32x = 2,995.16 × 826.96
  4. Step 4: Simplify right side
    1,996.32x = 2,476,879.65
  5. Step 5: Solve for x
    x = 2,476,879.65/1,996.32
  6. Step 6: Final answer
    x = 1,240.72

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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.