Home / 2,138.50-3,204.11-1,519.14

Finding the Fourth Proportional to 2,138.50, 3,204.11 and 1,519.14

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Solution

The fourth proportional to 2,138.50, 3,204.11 and 1,519.14 is: 2,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.50 : 3,204.11 = 1,519.14 : x
  2. Step 2: Convert to fraction form
    2,138.50/3,204.11 = 1,519.14/x
  3. Step 3: Cross multiply
    2,138.50x = 3,204.11 × 1,519.14
  4. Step 4: Simplify right side
    2,138.50x = 4,867,491.67
  5. Step 5: Solve for x
    x = 4,867,491.67/2,138.50
  6. Step 6: Final answer
    x = 2,276.12

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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.