Home / 2,664.78-3,995.44-1,104.36

Finding the Fourth Proportional to 2,664.78, 3,995.44 and 1,104.36

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Solution

The fourth proportional to 2,664.78, 3,995.44 and 1,104.36 is: 1,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.78 : 3,995.44 = 1,104.36 : x
  2. Step 2: Convert to fraction form
    2,664.78/3,995.44 = 1,104.36/x
  3. Step 3: Cross multiply
    2,664.78x = 3,995.44 × 1,104.36
  4. Step 4: Simplify right side
    2,664.78x = 4,412,404.12
  5. Step 5: Solve for x
    x = 4,412,404.12/2,664.78
  6. Step 6: Final answer
    x = 1,655.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.