Home / 3,247.40-4,481.46-1,850.12

Finding the Fourth Proportional to 3,247.40, 4,481.46 and 1,850.12

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Solution

The fourth proportional to 3,247.40, 4,481.46 and 1,850.12 is: 2,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.40 : 4,481.46 = 1,850.12 : x
  2. Step 2: Convert to fraction form
    3,247.40/4,481.46 = 1,850.12/x
  3. Step 3: Cross multiply
    3,247.40x = 4,481.46 × 1,850.12
  4. Step 4: Simplify right side
    3,247.40x = 8,291,238.78
  5. Step 5: Solve for x
    x = 8,291,238.78/3,247.40
  6. Step 6: Final answer
    x = 2,553.19

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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.