Home / 2,961.80-4,443.78-1,014.56

Finding the Fourth Proportional to 2,961.80, 4,443.78 and 1,014.56

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Solution

The fourth proportional to 2,961.80, 4,443.78 and 1,014.56 is: 1,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.80 : 4,443.78 = 1,014.56 : x
  2. Step 2: Convert to fraction form
    2,961.80/4,443.78 = 1,014.56/x
  3. Step 3: Cross multiply
    2,961.80x = 4,443.78 × 1,014.56
  4. Step 4: Simplify right side
    2,961.80x = 4,508,481.44
  5. Step 5: Solve for x
    x = 4,508,481.44/2,961.80
  6. Step 6: Final answer
    x = 1,522.21

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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.