Home / 3,183.93-4,773.98-1,428.61

Finding the Fourth Proportional to 3,183.93, 4,773.98 and 1,428.61

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Solution

The fourth proportional to 3,183.93, 4,773.98 and 1,428.61 is: 2,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.93 : 4,773.98 = 1,428.61 : x
  2. Step 2: Convert to fraction form
    3,183.93/4,773.98 = 1,428.61/x
  3. Step 3: Cross multiply
    3,183.93x = 4,773.98 × 1,428.61
  4. Step 4: Simplify right side
    3,183.93x = 6,820,155.57
  5. Step 5: Solve for x
    x = 6,820,155.57/3,183.93
  6. Step 6: Final answer
    x = 2,142.06

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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.