Home / 3,183.91-4,776.47-1,540.32

Finding the Fourth Proportional to 3,183.91, 4,776.47 and 1,540.32

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Solution

The fourth proportional to 3,183.91, 4,776.47 and 1,540.32 is: 2,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.91 : 4,776.47 = 1,540.32 : x
  2. Step 2: Convert to fraction form
    3,183.91/4,776.47 = 1,540.32/x
  3. Step 3: Cross multiply
    3,183.91x = 4,776.47 × 1,540.32
  4. Step 4: Simplify right side
    3,183.91x = 7,357,272.43
  5. Step 5: Solve for x
    x = 7,357,272.43/3,183.91
  6. Step 6: Final answer
    x = 2,310.77

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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.