Home / 2,629.17-3,934.04-2,162.61

Finding the Fourth Proportional to 2,629.17, 3,934.04 and 2,162.61

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Solution

The fourth proportional to 2,629.17, 3,934.04 and 2,162.61 is: 3,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.17 : 3,934.04 = 2,162.61 : x
  2. Step 2: Convert to fraction form
    2,629.17/3,934.04 = 2,162.61/x
  3. Step 3: Cross multiply
    2,629.17x = 3,934.04 × 2,162.61
  4. Step 4: Simplify right side
    2,629.17x = 8,507,783.43
  5. Step 5: Solve for x
    x = 8,507,783.43/2,629.17
  6. Step 6: Final answer
    x = 3,235.92

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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.