Home / 3,144.98-4,718.10-2,220.86

Finding the Fourth Proportional to 3,144.98, 4,718.10 and 2,220.86

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Solution

The fourth proportional to 3,144.98, 4,718.10 and 2,220.86 is: 3,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.98 : 4,718.10 = 2,220.86 : x
  2. Step 2: Convert to fraction form
    3,144.98/4,718.10 = 2,220.86/x
  3. Step 3: Cross multiply
    3,144.98x = 4,718.10 × 2,220.86
  4. Step 4: Simplify right side
    3,144.98x = 10,478,239.57
  5. Step 5: Solve for x
    x = 10,478,239.57/3,144.98
  6. Step 6: Final answer
    x = 3,331.73

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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.