Home / 3,118.87-4,677.83-1,269.95

Finding the Fourth Proportional to 3,118.87, 4,677.83 and 1,269.95

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Solution

The fourth proportional to 3,118.87, 4,677.83 and 1,269.95 is: 1,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.87 : 4,677.83 = 1,269.95 : x
  2. Step 2: Convert to fraction form
    3,118.87/4,677.83 = 1,269.95/x
  3. Step 3: Cross multiply
    3,118.87x = 4,677.83 × 1,269.95
  4. Step 4: Simplify right side
    3,118.87x = 5,940,592.38
  5. Step 5: Solve for x
    x = 5,940,592.38/3,118.87
  6. Step 6: Final answer
    x = 1,904.73

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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.