Home / 3,917.47-5,872.46-1,451.63

Finding the Fourth Proportional to 3,917.47, 5,872.46 and 1,451.63

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Solution

The fourth proportional to 3,917.47, 5,872.46 and 1,451.63 is: 2,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.47 : 5,872.46 = 1,451.63 : x
  2. Step 2: Convert to fraction form
    3,917.47/5,872.46 = 1,451.63/x
  3. Step 3: Cross multiply
    3,917.47x = 5,872.46 × 1,451.63
  4. Step 4: Simplify right side
    3,917.47x = 8,524,632.68
  5. Step 5: Solve for x
    x = 8,524,632.68/3,917.47
  6. Step 6: Final answer
    x = 2,176.05

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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.