Home / 3,329.25-4,991.15-1,382.85

Finding the Fourth Proportional to 3,329.25, 4,991.15 and 1,382.85

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Solution

The fourth proportional to 3,329.25, 4,991.15 and 1,382.85 is: 2,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.25 : 4,991.15 = 1,382.85 : x
  2. Step 2: Convert to fraction form
    3,329.25/4,991.15 = 1,382.85/x
  3. Step 3: Cross multiply
    3,329.25x = 4,991.15 × 1,382.85
  4. Step 4: Simplify right side
    3,329.25x = 6,902,004.86
  5. Step 5: Solve for x
    x = 6,902,004.86/3,329.25
  6. Step 6: Final answer
    x = 2,073.14

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1.5x scale

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.