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Finding the Fourth Proportional to 3,269.03, 4,509 and 2,261.05

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Solution

The fourth proportional to 3,269.03, 4,509 and 2,261.05 is: 3,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.03 : 4,509 = 2,261.05 : x
  2. Step 2: Convert to fraction form
    3,269.03/4,509 = 2,261.05/x
  3. Step 3: Cross multiply
    3,269.03x = 4,509 × 2,261.05
  4. Step 4: Simplify right side
    3,269.03x = 10,195,063.18
  5. Step 5: Solve for x
    x = 10,195,063.18/3,269.03
  6. Step 6: Final answer
    x = 3,118.69

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1.5x scale

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.