Home / 3,663.28-5,054.43-2,171.55

Finding the Fourth Proportional to 3,663.28, 5,054.43 and 2,171.55

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Solution

The fourth proportional to 3,663.28, 5,054.43 and 2,171.55 is: 2,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.28 : 5,054.43 = 2,171.55 : x
  2. Step 2: Convert to fraction form
    3,663.28/5,054.43 = 2,171.55/x
  3. Step 3: Cross multiply
    3,663.28x = 5,054.43 × 2,171.55
  4. Step 4: Simplify right side
    3,663.28x = 10,975,947.47
  5. Step 5: Solve for x
    x = 10,975,947.47/3,663.28
  6. Step 6: Final answer
    x = 2,996.21

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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.