Home / 2,664.39-3,998.12-1,104.11

Finding the Fourth Proportional to 2,664.39, 3,998.12 and 1,104.11

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Solution

The fourth proportional to 2,664.39, 3,998.12 and 1,104.11 is: 1,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.39 : 3,998.12 = 1,104.11 : x
  2. Step 2: Convert to fraction form
    2,664.39/3,998.12 = 1,104.11/x
  3. Step 3: Cross multiply
    2,664.39x = 3,998.12 × 1,104.11
  4. Step 4: Simplify right side
    2,664.39x = 4,414,364.27
  5. Step 5: Solve for x
    x = 4,414,364.27/2,664.39
  6. Step 6: Final answer
    x = 1,656.80

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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.