Home / 3,581.15-4,942.62-2,009.75

Finding the Fourth Proportional to 3,581.15, 4,942.62 and 2,009.75

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Solution

The fourth proportional to 3,581.15, 4,942.62 and 2,009.75 is: 2,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.15 : 4,942.62 = 2,009.75 : x
  2. Step 2: Convert to fraction form
    3,581.15/4,942.62 = 2,009.75/x
  3. Step 3: Cross multiply
    3,581.15x = 4,942.62 × 2,009.75
  4. Step 4: Simplify right side
    3,581.15x = 9,933,405.83
  5. Step 5: Solve for x
    x = 9,933,405.83/3,581.15
  6. Step 6: Final answer
    x = 2,773.81

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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.