Home / 3,865.26-5,797.80-2,220.60

Finding the Fourth Proportional to 3,865.26, 5,797.80 and 2,220.60

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Solution

The fourth proportional to 3,865.26, 5,797.80 and 2,220.60 is: 3,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.26 : 5,797.80 = 2,220.60 : x
  2. Step 2: Convert to fraction form
    3,865.26/5,797.80 = 2,220.60/x
  3. Step 3: Cross multiply
    3,865.26x = 5,797.80 × 2,220.60
  4. Step 4: Simplify right side
    3,865.26x = 12,874,594.68
  5. Step 5: Solve for x
    x = 12,874,594.68/3,865.26
  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.