Home / 2,231.26-3,349.96-1,136.39

Finding the Fourth Proportional to 2,231.26, 3,349.96 and 1,136.39

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Solution

The fourth proportional to 2,231.26, 3,349.96 and 1,136.39 is: 1,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.26 : 3,349.96 = 1,136.39 : x
  2. Step 2: Convert to fraction form
    2,231.26/3,349.96 = 1,136.39/x
  3. Step 3: Cross multiply
    2,231.26x = 3,349.96 × 1,136.39
  4. Step 4: Simplify right side
    2,231.26x = 3,806,841.45
  5. Step 5: Solve for x
    x = 3,806,841.45/2,231.26
  6. Step 6: Final answer
    x = 1,706.14

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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.