Home / 2,667.36-3,999.36-1,367.04

Finding the Fourth Proportional to 2,667.36, 3,999.36 and 1,367.04

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Solution

The fourth proportional to 2,667.36, 3,999.36 and 1,367.04 is: 2,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.36 : 3,999.36 = 1,367.04 : x
  2. Step 2: Convert to fraction form
    2,667.36/3,999.36 = 1,367.04/x
  3. Step 3: Cross multiply
    2,667.36x = 3,999.36 × 1,367.04
  4. Step 4: Simplify right side
    2,667.36x = 5,467,285.09
  5. Step 5: Solve for x
    x = 5,467,285.09/2,667.36
  6. Step 6: Final answer
    x = 2,049.70

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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.