Home / 3,420.99-5,141.09-2,034.57

Finding the Fourth Proportional to 3,420.99, 5,141.09 and 2,034.57

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Solution

The fourth proportional to 3,420.99, 5,141.09 and 2,034.57 is: 3,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.99 : 5,141.09 = 2,034.57 : x
  2. Step 2: Convert to fraction form
    3,420.99/5,141.09 = 2,034.57/x
  3. Step 3: Cross multiply
    3,420.99x = 5,141.09 × 2,034.57
  4. Step 4: Simplify right side
    3,420.99x = 10,459,912.57
  5. Step 5: Solve for x
    x = 10,459,912.57/3,420.99
  6. Step 6: Final answer
    x = 3,057.57

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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.