Home / 1,999.36-2,753.56-1,956.28

Finding the Fourth Proportional to 1,999.36, 2,753.56 and 1,956.28

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Solution

The fourth proportional to 1,999.36, 2,753.56 and 1,956.28 is: 2,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999.36 : 2,753.56 = 1,956.28 : x
  2. Step 2: Convert to fraction form
    1,999.36/2,753.56 = 1,956.28/x
  3. Step 3: Cross multiply
    1,999.36x = 2,753.56 × 1,956.28
  4. Step 4: Simplify right side
    1,999.36x = 5,386,734.36
  5. Step 5: Solve for x
    x = 5,386,734.36/1,999.36
  6. Step 6: Final answer
    x = 2,694.23

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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.