Home / 3,143.98-4,716.60-2,219.86

Finding the Fourth Proportional to 3,143.98, 4,716.60 and 2,219.86

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Solution

The fourth proportional to 3,143.98, 4,716.60 and 2,219.86 is: 3,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.98 : 4,716.60 = 2,219.86 : x
  2. Step 2: Convert to fraction form
    3,143.98/4,716.60 = 2,219.86/x
  3. Step 3: Cross multiply
    3,143.98x = 4,716.60 × 2,219.86
  4. Step 4: Simplify right side
    3,143.98x = 10,470,191.68
  5. Step 5: Solve for x
    x = 10,470,191.68/3,143.98
  6. Step 6: Final answer
    x = 3,330.23

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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.