Home / 3,072.38-4,608.25-1,427.87

Finding the Fourth Proportional to 3,072.38, 4,608.25 and 1,427.87

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Solution

The fourth proportional to 3,072.38, 4,608.25 and 1,427.87 is: 2,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.38 : 4,608.25 = 1,427.87 : x
  2. Step 2: Convert to fraction form
    3,072.38/4,608.25 = 1,427.87/x
  3. Step 3: Cross multiply
    3,072.38x = 4,608.25 × 1,427.87
  4. Step 4: Simplify right side
    3,072.38x = 6,579,989.88
  5. Step 5: Solve for x
    x = 6,579,989.88/3,072.38
  6. Step 6: Final answer
    x = 2,141.66

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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.