Home / 2,102.73-3,151.66-1,859.73

Finding the Fourth Proportional to 2,102.73, 3,151.66 and 1,859.73

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Solution

The fourth proportional to 2,102.73, 3,151.66 and 1,859.73 is: 2,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.73 : 3,151.66 = 1,859.73 : x
  2. Step 2: Convert to fraction form
    2,102.73/3,151.66 = 1,859.73/x
  3. Step 3: Cross multiply
    2,102.73x = 3,151.66 × 1,859.73
  4. Step 4: Simplify right side
    2,102.73x = 5,861,236.65
  5. Step 5: Solve for x
    x = 5,861,236.65/2,102.73
  6. Step 6: Final answer
    x = 2,787.44

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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.