Home / 3,095.50-4,631.62-2,172.86

Finding the Fourth Proportional to 3,095.50, 4,631.62 and 2,172.86

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Solution

The fourth proportional to 3,095.50, 4,631.62 and 2,172.86 is: 3,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.50 : 4,631.62 = 2,172.86 : x
  2. Step 2: Convert to fraction form
    3,095.50/4,631.62 = 2,172.86/x
  3. Step 3: Cross multiply
    3,095.50x = 4,631.62 × 2,172.86
  4. Step 4: Simplify right side
    3,095.50x = 10,063,861.83
  5. Step 5: Solve for x
    x = 10,063,861.83/3,095.50
  6. Step 6: Final answer
    x = 3,251.13

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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.