Home / 2,269.47-3,396.90-1,172.33

Finding the Fourth Proportional to 2,269.47, 3,396.90 and 1,172.33

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Solution

The fourth proportional to 2,269.47, 3,396.90 and 1,172.33 is: 1,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.47 : 3,396.90 = 1,172.33 : x
  2. Step 2: Convert to fraction form
    2,269.47/3,396.90 = 1,172.33/x
  3. Step 3: Cross multiply
    2,269.47x = 3,396.90 × 1,172.33
  4. Step 4: Simplify right side
    2,269.47x = 3,982,270.79
  5. Step 5: Solve for x
    x = 3,982,270.79/2,269.47
  6. Step 6: Final answer
    x = 1,754.71

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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.