Home / 3,384.47-5,076.71-2,221.84

Finding the Fourth Proportional to 3,384.47, 5,076.71 and 2,221.84

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Solution

The fourth proportional to 3,384.47, 5,076.71 and 2,221.84 is: 3,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.47 : 5,076.71 = 2,221.84 : x
  2. Step 2: Convert to fraction form
    3,384.47/5,076.71 = 2,221.84/x
  3. Step 3: Cross multiply
    3,384.47x = 5,076.71 × 2,221.84
  4. Step 4: Simplify right side
    3,384.47x = 11,279,640.91
  5. Step 5: Solve for x
    x = 11,279,640.91/3,384.47
  6. Step 6: Final answer
    x = 3,332.76

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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.