Home / 3,496.91-5,247.19-1,418.45

Finding the Fourth Proportional to 3,496.91, 5,247.19 and 1,418.45

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Solution

The fourth proportional to 3,496.91, 5,247.19 and 1,418.45 is: 2,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,496.91 : 5,247.19 = 1,418.45 : x
  2. Step 2: Convert to fraction form
    3,496.91/5,247.19 = 1,418.45/x
  3. Step 3: Cross multiply
    3,496.91x = 5,247.19 × 1,418.45
  4. Step 4: Simplify right side
    3,496.91x = 7,442,876.66
  5. Step 5: Solve for x
    x = 7,442,876.66/3,496.91
  6. Step 6: Final answer
    x = 2,128.42

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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.