Home / 3,255.14-4,872.99-2,989.46

Finding the Fourth Proportional to 3,255.14, 4,872.99 and 2,989.46

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Solution

The fourth proportional to 3,255.14, 4,872.99 and 2,989.46 is: 4,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.14 : 4,872.99 = 2,989.46 : x
  2. Step 2: Convert to fraction form
    3,255.14/4,872.99 = 2,989.46/x
  3. Step 3: Cross multiply
    3,255.14x = 4,872.99 × 2,989.46
  4. Step 4: Simplify right side
    3,255.14x = 14,567,608.69
  5. Step 5: Solve for x
    x = 14,567,608.69/3,255.14
  6. Step 6: Final answer
    x = 4,475.26

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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.