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Finding the Fourth Proportional to 3,422.63, 4,723.37 and 1,930.52

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Solution

The fourth proportional to 3,422.63, 4,723.37 and 1,930.52 is: 2,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.63 : 4,723.37 = 1,930.52 : x
  2. Step 2: Convert to fraction form
    3,422.63/4,723.37 = 1,930.52/x
  3. Step 3: Cross multiply
    3,422.63x = 4,723.37 × 1,930.52
  4. Step 4: Simplify right side
    3,422.63x = 9,118,560.25
  5. Step 5: Solve for x
    x = 9,118,560.25/3,422.63
  6. Step 6: Final answer
    x = 2,664.20

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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.