Home / 1,996.97-2,756.79-1,547.84

Finding the Fourth Proportional to 1,996.97, 2,756.79 and 1,547.84

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Solution

The fourth proportional to 1,996.97, 2,756.79 and 1,547.84 is: 2,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.97 : 2,756.79 = 1,547.84 : x
  2. Step 2: Convert to fraction form
    1,996.97/2,756.79 = 1,547.84/x
  3. Step 3: Cross multiply
    1,996.97x = 2,756.79 × 1,547.84
  4. Step 4: Simplify right side
    1,996.97x = 4,267,076.73
  5. Step 5: Solve for x
    x = 4,267,076.73/1,996.97
  6. Step 6: Final answer
    x = 2,136.78

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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.