Home / 3,329.53-4,990.91-2,160.27

Finding the Fourth Proportional to 3,329.53, 4,990.91 and 2,160.27

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Solution

The fourth proportional to 3,329.53, 4,990.91 and 2,160.27 is: 3,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.53 : 4,990.91 = 2,160.27 : x
  2. Step 2: Convert to fraction form
    3,329.53/4,990.91 = 2,160.27/x
  3. Step 3: Cross multiply
    3,329.53x = 4,990.91 × 2,160.27
  4. Step 4: Simplify right side
    3,329.53x = 10,781,713.15
  5. Step 5: Solve for x
    x = 10,781,713.15/3,329.53
  6. Step 6: Final answer
    x = 3,238.21

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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.