Home / 1,996.50-2,755.14-1,112.38

Finding the Fourth Proportional to 1,996.50, 2,755.14 and 1,112.38

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Solution

The fourth proportional to 1,996.50, 2,755.14 and 1,112.38 is: 1,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.50 : 2,755.14 = 1,112.38 : x
  2. Step 2: Convert to fraction form
    1,996.50/2,755.14 = 1,112.38/x
  3. Step 3: Cross multiply
    1,996.50x = 2,755.14 × 1,112.38
  4. Step 4: Simplify right side
    1,996.50x = 3,064,762.63
  5. Step 5: Solve for x
    x = 3,064,762.63/1,996.50
  6. Step 6: Final answer
    x = 1,535.07

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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.