Home / 1,996.51-2,755.25-1,112.39

Finding the Fourth Proportional to 1,996.51, 2,755.25 and 1,112.39

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Solution

The fourth proportional to 1,996.51, 2,755.25 and 1,112.39 is: 1,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.51 : 2,755.25 = 1,112.39 : x
  2. Step 2: Convert to fraction form
    1,996.51/2,755.25 = 1,112.39/x
  3. Step 3: Cross multiply
    1,996.51x = 2,755.25 × 1,112.39
  4. Step 4: Simplify right side
    1,996.51x = 3,064,906.99
  5. Step 5: Solve for x
    x = 3,064,906.99/1,996.51
  6. Step 6: Final answer
    x = 1,535.14

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1.5x scale

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.