Home / 3,169.53-4,739.31-2,382.21

Finding the Fourth Proportional to 3,169.53, 4,739.31 and 2,382.21

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Solution

The fourth proportional to 3,169.53, 4,739.31 and 2,382.21 is: 3,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.53 : 4,739.31 = 2,382.21 : x
  2. Step 2: Convert to fraction form
    3,169.53/4,739.31 = 2,382.21/x
  3. Step 3: Cross multiply
    3,169.53x = 4,739.31 × 2,382.21
  4. Step 4: Simplify right side
    3,169.53x = 11,290,031.68
  5. Step 5: Solve for x
    x = 11,290,031.68/3,169.53
  6. Step 6: Final answer
    x = 3,562.05

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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.