Home / 3,255.72-4,884.38-1,308.07

Finding the Fourth Proportional to 3,255.72, 4,884.38 and 1,308.07

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Solution

The fourth proportional to 3,255.72, 4,884.38 and 1,308.07 is: 1,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.72 : 4,884.38 = 1,308.07 : x
  2. Step 2: Convert to fraction form
    3,255.72/4,884.38 = 1,308.07/x
  3. Step 3: Cross multiply
    3,255.72x = 4,884.38 × 1,308.07
  4. Step 4: Simplify right side
    3,255.72x = 6,389,110.95
  5. Step 5: Solve for x
    x = 6,389,110.95/3,255.72
  6. Step 6: Final answer
    x = 1,962.43

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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.