Home / 3,247.15-4,481.48-2,129.03

Finding the Fourth Proportional to 3,247.15, 4,481.48 and 2,129.03

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Solution

The fourth proportional to 3,247.15, 4,481.48 and 2,129.03 is: 2,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.15 : 4,481.48 = 2,129.03 : x
  2. Step 2: Convert to fraction form
    3,247.15/4,481.48 = 2,129.03/x
  3. Step 3: Cross multiply
    3,247.15x = 4,481.48 × 2,129.03
  4. Step 4: Simplify right side
    3,247.15x = 9,541,205.36
  5. Step 5: Solve for x
    x = 9,541,205.36/3,247.15
  6. Step 6: Final answer
    x = 2,938.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.