Home / 3,764.81-5,195.28-2,171.04

Finding the Fourth Proportional to 3,764.81, 5,195.28 and 2,171.04

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Solution

The fourth proportional to 3,764.81, 5,195.28 and 2,171.04 is: 2,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.81 : 5,195.28 = 2,171.04 : x
  2. Step 2: Convert to fraction form
    3,764.81/5,195.28 = 2,171.04/x
  3. Step 3: Cross multiply
    3,764.81x = 5,195.28 × 2,171.04
  4. Step 4: Simplify right side
    3,764.81x = 11,279,160.69
  5. Step 5: Solve for x
    x = 11,279,160.69/3,764.81
  6. Step 6: Final answer
    x = 2,995.95

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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.