Home / 1,995.44-2,753.81-1,111.23

Finding the Fourth Proportional to 1,995.44, 2,753.81 and 1,111.23

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Solution

The fourth proportional to 1,995.44, 2,753.81 and 1,111.23 is: 1,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.44 : 2,753.81 = 1,111.23 : x
  2. Step 2: Convert to fraction form
    1,995.44/2,753.81 = 1,111.23/x
  3. Step 3: Cross multiply
    1,995.44x = 2,753.81 × 1,111.23
  4. Step 4: Simplify right side
    1,995.44x = 3,060,110.73
  5. Step 5: Solve for x
    x = 3,060,110.73/1,995.44
  6. Step 6: Final answer
    x = 1,533.56

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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.