Home / 1,996.15-2,993.45-826.35

Finding the Fourth Proportional to 1,996.15, 2,993.45 and 826.35

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Solution

The fourth proportional to 1,996.15, 2,993.45 and 826.35 is: 1,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.15 : 2,993.45 = 826.35 : x
  2. Step 2: Convert to fraction form
    1,996.15/2,993.45 = 826.35/x
  3. Step 3: Cross multiply
    1,996.15x = 2,993.45 × 826.35
  4. Step 4: Simplify right side
    1,996.15x = 2,473,637.41
  5. Step 5: Solve for x
    x = 2,473,637.41/1,996.15
  6. Step 6: Final answer
    x = 1,239.20

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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.