Home / 3,269.63-4,905.17-1,078.27

Finding the Fourth Proportional to 3,269.63, 4,905.17 and 1,078.27

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Solution

The fourth proportional to 3,269.63, 4,905.17 and 1,078.27 is: 1,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.63 : 4,905.17 = 1,078.27 : x
  2. Step 2: Convert to fraction form
    3,269.63/4,905.17 = 1,078.27/x
  3. Step 3: Cross multiply
    3,269.63x = 4,905.17 × 1,078.27
  4. Step 4: Simplify right side
    3,269.63x = 5,289,097.66
  5. Step 5: Solve for x
    x = 5,289,097.66/3,269.63
  6. Step 6: Final answer
    x = 1,617.64

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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.