Home / 3,172.78-4,766.47-2,250.62

Finding the Fourth Proportional to 3,172.78, 4,766.47 and 2,250.62

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Solution

The fourth proportional to 3,172.78, 4,766.47 and 2,250.62 is: 3,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.78 : 4,766.47 = 2,250.62 : x
  2. Step 2: Convert to fraction form
    3,172.78/4,766.47 = 2,250.62/x
  3. Step 3: Cross multiply
    3,172.78x = 4,766.47 × 2,250.62
  4. Step 4: Simplify right side
    3,172.78x = 10,727,512.71
  5. Step 5: Solve for x
    x = 10,727,512.71/3,172.78
  6. Step 6: Final answer
    x = 3,381.11

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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.