Home / 3,400.01-4,690.82-2,220.65

Finding the Fourth Proportional to 3,400.01, 4,690.82 and 2,220.65

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Solution

The fourth proportional to 3,400.01, 4,690.82 and 2,220.65 is: 3,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.01 : 4,690.82 = 2,220.65 : x
  2. Step 2: Convert to fraction form
    3,400.01/4,690.82 = 2,220.65/x
  3. Step 3: Cross multiply
    3,400.01x = 4,690.82 × 2,220.65
  4. Step 4: Simplify right side
    3,400.01x = 10,416,658.33
  5. Step 5: Solve for x
    x = 10,416,658.33/3,400.01
  6. Step 6: Final answer
    x = 3,063.71

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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.