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Finding the Fourth Proportional to 3,272.48, 4,886.92 and 3,104

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Solution

The fourth proportional to 3,272.48, 4,886.92 and 3,104 is: 4,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.48 : 4,886.92 = 3,104 : x
  2. Step 2: Convert to fraction form
    3,272.48/4,886.92 = 3,104/x
  3. Step 3: Cross multiply
    3,272.48x = 4,886.92 × 3,104
  4. Step 4: Simplify right side
    3,272.48x = 15,168,999.68
  5. Step 5: Solve for x
    x = 15,168,999.68/3,272.48
  6. Step 6: Final answer
    x = 4,635.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.