Home / 3,722.62-5,135.73-2,230.60

Finding the Fourth Proportional to 3,722.62, 5,135.73 and 2,230.60

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Solution

The fourth proportional to 3,722.62, 5,135.73 and 2,230.60 is: 3,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.62 : 5,135.73 = 2,230.60 : x
  2. Step 2: Convert to fraction form
    3,722.62/5,135.73 = 2,230.60/x
  3. Step 3: Cross multiply
    3,722.62x = 5,135.73 × 2,230.60
  4. Step 4: Simplify right side
    3,722.62x = 11,455,759.34
  5. Step 5: Solve for x
    x = 11,455,759.34/3,722.62
  6. Step 6: Final answer
    x = 3,077.34

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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.