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Finding the Fourth Proportional to 3,660.62, 5,490.94 and 1,714.19

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Solution

The fourth proportional to 3,660.62, 5,490.94 and 1,714.19 is: 2,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.62 : 5,490.94 = 1,714.19 : x
  2. Step 2: Convert to fraction form
    3,660.62/5,490.94 = 1,714.19/x
  3. Step 3: Cross multiply
    3,660.62x = 5,490.94 × 1,714.19
  4. Step 4: Simplify right side
    3,660.62x = 9,412,523.88
  5. Step 5: Solve for x
    x = 9,412,523.88/3,660.62
  6. Step 6: Final answer
    x = 2,571.29

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Similar ratio
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1.5x scale

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.