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Finding the Fourth Proportional to 3,269.76, 4,905.02 and 1,077.92

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Solution

The fourth proportional to 3,269.76, 4,905.02 and 1,077.92 is: 1,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.76 : 4,905.02 = 1,077.92 : x
  2. Step 2: Convert to fraction form
    3,269.76/4,905.02 = 1,077.92/x
  3. Step 3: Cross multiply
    3,269.76x = 4,905.02 × 1,077.92
  4. Step 4: Simplify right side
    3,269.76x = 5,287,219.16
  5. Step 5: Solve for x
    x = 5,287,219.16/3,269.76
  6. Step 6: Final answer
    x = 1,617.01

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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.