Home / 2,622.43-3,620.64-1,629.15

Finding the Fourth Proportional to 2,622.43, 3,620.64 and 1,629.15

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Solution

The fourth proportional to 2,622.43, 3,620.64 and 1,629.15 is: 2,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.43 : 3,620.64 = 1,629.15 : x
  2. Step 2: Convert to fraction form
    2,622.43/3,620.64 = 1,629.15/x
  3. Step 3: Cross multiply
    2,622.43x = 3,620.64 × 1,629.15
  4. Step 4: Simplify right side
    2,622.43x = 5,898,565.66
  5. Step 5: Solve for x
    x = 5,898,565.66/2,622.43
  6. Step 6: Final answer
    x = 2,249.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.