Home / 3,211.61-4,812.44-2,167.52

Finding the Fourth Proportional to 3,211.61, 4,812.44 and 2,167.52

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Solution

The fourth proportional to 3,211.61, 4,812.44 and 2,167.52 is: 3,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.61 : 4,812.44 = 2,167.52 : x
  2. Step 2: Convert to fraction form
    3,211.61/4,812.44 = 2,167.52/x
  3. Step 3: Cross multiply
    3,211.61x = 4,812.44 × 2,167.52
  4. Step 4: Simplify right side
    3,211.61x = 10,431,025.05
  5. Step 5: Solve for x
    x = 10,431,025.05/3,211.61
  6. Step 6: Final answer
    x = 3,247.92

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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.