Home / 3,329.53-4,990.95-2,231.37

Finding the Fourth Proportional to 3,329.53, 4,990.95 and 2,231.37

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Solution

The fourth proportional to 3,329.53, 4,990.95 and 2,231.37 is: 3,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.53 : 4,990.95 = 2,231.37 : x
  2. Step 2: Convert to fraction form
    3,329.53/4,990.95 = 2,231.37/x
  3. Step 3: Cross multiply
    3,329.53x = 4,990.95 × 2,231.37
  4. Step 4: Simplify right side
    3,329.53x = 11,136,656.10
  5. Step 5: Solve for x
    x = 11,136,656.10/3,329.53
  6. Step 6: Final answer
    x = 3,344.82

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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.