Home / 1,995.13-2,753.31-1,110.97

Finding the Fourth Proportional to 1,995.13, 2,753.31 and 1,110.97

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Solution

The fourth proportional to 1,995.13, 2,753.31 and 1,110.97 is: 1,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.13 : 2,753.31 = 1,110.97 : x
  2. Step 2: Convert to fraction form
    1,995.13/2,753.31 = 1,110.97/x
  3. Step 3: Cross multiply
    1,995.13x = 2,753.31 × 1,110.97
  4. Step 4: Simplify right side
    1,995.13x = 3,058,844.81
  5. Step 5: Solve for x
    x = 3,058,844.81/1,995.13
  6. Step 6: Final answer
    x = 1,533.16

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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.