Home / 2,270.72-3,408.47-2,012.38

Finding the Fourth Proportional to 2,270.72, 3,408.47 and 2,012.38

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Solution

The fourth proportional to 2,270.72, 3,408.47 and 2,012.38 is: 3,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.72 : 3,408.47 = 2,012.38 : x
  2. Step 2: Convert to fraction form
    2,270.72/3,408.47 = 2,012.38/x
  3. Step 3: Cross multiply
    2,270.72x = 3,408.47 × 2,012.38
  4. Step 4: Simplify right side
    2,270.72x = 6,859,109.75
  5. Step 5: Solve for x
    x = 6,859,109.75/2,270.72
  6. Step 6: Final answer
    x = 3,020.68

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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.