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Finding the Fourth Proportional to 3,154.63, 4,353.39 and 1,738.27

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Solution

The fourth proportional to 3,154.63, 4,353.39 and 1,738.27 is: 2,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.63 : 4,353.39 = 1,738.27 : x
  2. Step 2: Convert to fraction form
    3,154.63/4,353.39 = 1,738.27/x
  3. Step 3: Cross multiply
    3,154.63x = 4,353.39 × 1,738.27
  4. Step 4: Simplify right side
    3,154.63x = 7,567,367.24
  5. Step 5: Solve for x
    x = 7,567,367.24/3,154.63
  6. Step 6: Final answer
    x = 2,398.81

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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.