Home / 1,996.81-2,757.35-1,252.06

Finding the Fourth Proportional to 1,996.81, 2,757.35 and 1,252.06

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Solution

The fourth proportional to 1,996.81, 2,757.35 and 1,252.06 is: 1,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.81 : 2,757.35 = 1,252.06 : x
  2. Step 2: Convert to fraction form
    1,996.81/2,757.35 = 1,252.06/x
  3. Step 3: Cross multiply
    1,996.81x = 2,757.35 × 1,252.06
  4. Step 4: Simplify right side
    1,996.81x = 3,452,367.64
  5. Step 5: Solve for x
    x = 3,452,367.64/1,996.81
  6. Step 6: Final answer
    x = 1,728.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.