Home / 3,708.48-5,553.81-2,122.39

Finding the Fourth Proportional to 3,708.48, 5,553.81 and 2,122.39

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Solution

The fourth proportional to 3,708.48, 5,553.81 and 2,122.39 is: 3,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.48 : 5,553.81 = 2,122.39 : x
  2. Step 2: Convert to fraction form
    3,708.48/5,553.81 = 2,122.39/x
  3. Step 3: Cross multiply
    3,708.48x = 5,553.81 × 2,122.39
  4. Step 4: Simplify right side
    3,708.48x = 11,787,357.75
  5. Step 5: Solve for x
    x = 11,787,357.75/3,708.48
  6. Step 6: Final answer
    x = 3,178.48

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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.