Home / 3,183.27-4,772.39-1,539.38

Finding the Fourth Proportional to 3,183.27, 4,772.39 and 1,539.38

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Solution

The fourth proportional to 3,183.27, 4,772.39 and 1,539.38 is: 2,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.27 : 4,772.39 = 1,539.38 : x
  2. Step 2: Convert to fraction form
    3,183.27/4,772.39 = 1,539.38/x
  3. Step 3: Cross multiply
    3,183.27x = 4,772.39 × 1,539.38
  4. Step 4: Simplify right side
    3,183.27x = 7,346,490.16
  5. Step 5: Solve for x
    x = 7,346,490.16/3,183.27
  6. Step 6: Final answer
    x = 2,307.84

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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.