Home / 2,183.87-3,014.13-1,239.95

Finding the Fourth Proportional to 2,183.87, 3,014.13 and 1,239.95

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Solution

The fourth proportional to 2,183.87, 3,014.13 and 1,239.95 is: 1,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.87 : 3,014.13 = 1,239.95 : x
  2. Step 2: Convert to fraction form
    2,183.87/3,014.13 = 1,239.95/x
  3. Step 3: Cross multiply
    2,183.87x = 3,014.13 × 1,239.95
  4. Step 4: Simplify right side
    2,183.87x = 3,737,355.42
  5. Step 5: Solve for x
    x = 3,737,355.42/2,183.87
  6. Step 6: Final answer
    x = 1,711.35

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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.