Home / 3,072.28-4,610.22-1,124.62

Finding the Fourth Proportional to 3,072.28, 4,610.22 and 1,124.62

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Solution

The fourth proportional to 3,072.28, 4,610.22 and 1,124.62 is: 1,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.28 : 4,610.22 = 1,124.62 : x
  2. Step 2: Convert to fraction form
    3,072.28/4,610.22 = 1,124.62/x
  3. Step 3: Cross multiply
    3,072.28x = 4,610.22 × 1,124.62
  4. Step 4: Simplify right side
    3,072.28x = 5,184,745.62
  5. Step 5: Solve for x
    x = 5,184,745.62/3,072.28
  6. Step 6: Final answer
    x = 1,687.59

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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.