Home / 3,490.26-5,235.12-2,028.48

Finding the Fourth Proportional to 3,490.26, 5,235.12 and 2,028.48

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Solution

The fourth proportional to 3,490.26, 5,235.12 and 2,028.48 is: 3,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.26 : 5,235.12 = 2,028.48 : x
  2. Step 2: Convert to fraction form
    3,490.26/5,235.12 = 2,028.48/x
  3. Step 3: Cross multiply
    3,490.26x = 5,235.12 × 2,028.48
  4. Step 4: Simplify right side
    3,490.26x = 10,619,336.22
  5. Step 5: Solve for x
    x = 10,619,336.22/3,490.26
  6. Step 6: Final answer
    x = 3,042.56

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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.