Home / 2,414.10-3,620.86-1,639.08

Finding the Fourth Proportional to 2,414.10, 3,620.86 and 1,639.08

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Solution

The fourth proportional to 2,414.10, 3,620.86 and 1,639.08 is: 2,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.10 : 3,620.86 = 1,639.08 : x
  2. Step 2: Convert to fraction form
    2,414.10/3,620.86 = 1,639.08/x
  3. Step 3: Cross multiply
    2,414.10x = 3,620.86 × 1,639.08
  4. Step 4: Simplify right side
    2,414.10x = 5,934,879.21
  5. Step 5: Solve for x
    x = 5,934,879.21/2,414.10
  6. Step 6: Final answer
    x = 2,458.42

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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.