Home / 3,172.62-4,753.53-2,479.02

Finding the Fourth Proportional to 3,172.62, 4,753.53 and 2,479.02

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Solution

The fourth proportional to 3,172.62, 4,753.53 and 2,479.02 is: 3,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.62 : 4,753.53 = 2,479.02 : x
  2. Step 2: Convert to fraction form
    3,172.62/4,753.53 = 2,479.02/x
  3. Step 3: Cross multiply
    3,172.62x = 4,753.53 × 2,479.02
  4. Step 4: Simplify right side
    3,172.62x = 11,784,095.94
  5. Step 5: Solve for x
    x = 11,784,095.94/3,172.62
  6. Step 6: Final answer
    x = 3,714.31

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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.