Home / 2,436.46-3,649.82-1,879.20

Finding the Fourth Proportional to 2,436.46, 3,649.82 and 1,879.20

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Solution

The fourth proportional to 2,436.46, 3,649.82 and 1,879.20 is: 2,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.46 : 3,649.82 = 1,879.20 : x
  2. Step 2: Convert to fraction form
    2,436.46/3,649.82 = 1,879.20/x
  3. Step 3: Cross multiply
    2,436.46x = 3,649.82 × 1,879.20
  4. Step 4: Simplify right side
    2,436.46x = 6,858,732.35
  5. Step 5: Solve for x
    x = 6,858,732.35/2,436.46
  6. Step 6: Final answer
    x = 2,815.04

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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.