Home / 3,664.68-5,042.16-3,221.82

Finding the Fourth Proportional to 3,664.68, 5,042.16 and 3,221.82

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Solution

The fourth proportional to 3,664.68, 5,042.16 and 3,221.82 is: 4,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.68 : 5,042.16 = 3,221.82 : x
  2. Step 2: Convert to fraction form
    3,664.68/5,042.16 = 3,221.82/x
  3. Step 3: Cross multiply
    3,664.68x = 5,042.16 × 3,221.82
  4. Step 4: Simplify right side
    3,664.68x = 16,244,931.93
  5. Step 5: Solve for x
    x = 16,244,931.93/3,664.68
  6. Step 6: Final answer
    x = 4,432.84

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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.