Home / 3,149.08-4,718.49-2,222.98

Finding the Fourth Proportional to 3,149.08, 4,718.49 and 2,222.98

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Solution

The fourth proportional to 3,149.08, 4,718.49 and 2,222.98 is: 3,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.08 : 4,718.49 = 2,222.98 : x
  2. Step 2: Convert to fraction form
    3,149.08/4,718.49 = 2,222.98/x
  3. Step 3: Cross multiply
    3,149.08x = 4,718.49 × 2,222.98
  4. Step 4: Simplify right side
    3,149.08x = 10,489,108.90
  5. Step 5: Solve for x
    x = 10,489,108.90/3,149.08
  6. Step 6: Final answer
    x = 3,330.85

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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.