Home / 2,667.46-4,001.18-1,108.52

Finding the Fourth Proportional to 2,667.46, 4,001.18 and 1,108.52

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Solution

The fourth proportional to 2,667.46, 4,001.18 and 1,108.52 is: 1,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.46 : 4,001.18 = 1,108.52 : x
  2. Step 2: Convert to fraction form
    2,667.46/4,001.18 = 1,108.52/x
  3. Step 3: Cross multiply
    2,667.46x = 4,001.18 × 1,108.52
  4. Step 4: Simplify right side
    2,667.46x = 4,435,388.05
  5. Step 5: Solve for x
    x = 4,435,388.05/2,667.46
  6. Step 6: Final answer
    x = 1,662.78

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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.