Home / 3,580.28-5,371.96-1,938

Finding the Fourth Proportional to 3,580.28, 5,371.96 and 1,938

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Solution

The fourth proportional to 3,580.28, 5,371.96 and 1,938 is: 2,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.28 : 5,371.96 = 1,938 : x
  2. Step 2: Convert to fraction form
    3,580.28/5,371.96 = 1,938/x
  3. Step 3: Cross multiply
    3,580.28x = 5,371.96 × 1,938
  4. Step 4: Simplify right side
    3,580.28x = 10,410,858.48
  5. Step 5: Solve for x
    x = 10,410,858.48/3,580.28
  6. Step 6: Final answer
    x = 2,907.83

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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.