Home / 2,834.46-4,243.86-2,138.99

Finding the Fourth Proportional to 2,834.46, 4,243.86 and 2,138.99

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Solution

The fourth proportional to 2,834.46, 4,243.86 and 2,138.99 is: 3,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.46 : 4,243.86 = 2,138.99 : x
  2. Step 2: Convert to fraction form
    2,834.46/4,243.86 = 2,138.99/x
  3. Step 3: Cross multiply
    2,834.46x = 4,243.86 × 2,138.99
  4. Step 4: Simplify right side
    2,834.46x = 9,077,552.88
  5. Step 5: Solve for x
    x = 9,077,552.88/2,834.46
  6. Step 6: Final answer
    x = 3,202.57

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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.