Home / 3,338.26-4,608.72-2,220.74

Finding the Fourth Proportional to 3,338.26, 4,608.72 and 2,220.74

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Solution

The fourth proportional to 3,338.26, 4,608.72 and 2,220.74 is: 3,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.26 : 4,608.72 = 2,220.74 : x
  2. Step 2: Convert to fraction form
    3,338.26/4,608.72 = 2,220.74/x
  3. Step 3: Cross multiply
    3,338.26x = 4,608.72 × 2,220.74
  4. Step 4: Simplify right side
    3,338.26x = 10,234,768.85
  5. Step 5: Solve for x
    x = 10,234,768.85/3,338.26
  6. Step 6: Final answer
    x = 3,065.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.