Home / 2,664.80-3,997.01-1,104.40

Finding the Fourth Proportional to 2,664.80, 3,997.01 and 1,104.40

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Solution

The fourth proportional to 2,664.80, 3,997.01 and 1,104.40 is: 1,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.80 : 3,997.01 = 1,104.40 : x
  2. Step 2: Convert to fraction form
    2,664.80/3,997.01 = 1,104.40/x
  3. Step 3: Cross multiply
    2,664.80x = 3,997.01 × 1,104.40
  4. Step 4: Simplify right side
    2,664.80x = 4,414,305.60
  5. Step 5: Solve for x
    x = 4,414,305.60/2,664.80
  6. Step 6: Final answer
    x = 1,656.52

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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.