Home / 1,996.23-2,755.04-1,200

Finding the Fourth Proportional to 1,996.23, 2,755.04 and 1,200

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Solution

The fourth proportional to 1,996.23, 2,755.04 and 1,200 is: 1,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.23 : 2,755.04 = 1,200 : x
  2. Step 2: Convert to fraction form
    1,996.23/2,755.04 = 1,200/x
  3. Step 3: Cross multiply
    1,996.23x = 2,755.04 × 1,200
  4. Step 4: Simplify right side
    1,996.23x = 3,306,048
  5. Step 5: Solve for x
    x = 3,306,048/1,996.23
  6. Step 6: Final answer
    x = 1,656.15

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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.