Home / 3,422.47-4,723-1,850.56

Finding the Fourth Proportional to 3,422.47, 4,723 and 1,850.56

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Solution

The fourth proportional to 3,422.47, 4,723 and 1,850.56 is: 2,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.47 : 4,723 = 1,850.56 : x
  2. Step 2: Convert to fraction form
    3,422.47/4,723 = 1,850.56/x
  3. Step 3: Cross multiply
    3,422.47x = 4,723 × 1,850.56
  4. Step 4: Simplify right side
    3,422.47x = 8,740,194.88
  5. Step 5: Solve for x
    x = 8,740,194.88/3,422.47
  6. Step 6: Final answer
    x = 2,553.77

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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.