Home / 3,380.51-4,662.20-2,201.15

Finding the Fourth Proportional to 3,380.51, 4,662.20 and 2,201.15

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Solution

The fourth proportional to 3,380.51, 4,662.20 and 2,201.15 is: 3,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.51 : 4,662.20 = 2,201.15 : x
  2. Step 2: Convert to fraction form
    3,380.51/4,662.20 = 2,201.15/x
  3. Step 3: Cross multiply
    3,380.51x = 4,662.20 × 2,201.15
  4. Step 4: Simplify right side
    3,380.51x = 10,262,190.52
  5. Step 5: Solve for x
    x = 10,262,190.52/3,380.51
  6. Step 6: Final answer
    x = 3,035.69

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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.