Home / 3,269.16-4,905.56-1,078.52

Finding the Fourth Proportional to 3,269.16, 4,905.56 and 1,078.52

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Solution

The fourth proportional to 3,269.16, 4,905.56 and 1,078.52 is: 1,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.16 : 4,905.56 = 1,078.52 : x
  2. Step 2: Convert to fraction form
    3,269.16/4,905.56 = 1,078.52/x
  3. Step 3: Cross multiply
    3,269.16x = 4,905.56 × 1,078.52
  4. Step 4: Simplify right side
    3,269.16x = 5,290,722.74
  5. Step 5: Solve for x
    x = 5,290,722.74/3,269.16
  6. Step 6: Final answer
    x = 1,618.37

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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.