Home / 3,144.14-4,712.56-2,961.89

Finding the Fourth Proportional to 3,144.14, 4,712.56 and 2,961.89

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Solution

The fourth proportional to 3,144.14, 4,712.56 and 2,961.89 is: 4,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.14 : 4,712.56 = 2,961.89 : x
  2. Step 2: Convert to fraction form
    3,144.14/4,712.56 = 2,961.89/x
  3. Step 3: Cross multiply
    3,144.14x = 4,712.56 × 2,961.89
  4. Step 4: Simplify right side
    3,144.14x = 13,958,069.61
  5. Step 5: Solve for x
    x = 13,958,069.61/3,144.14
  6. Step 6: Final answer
    x = 4,439.40

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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.