Home / 2,224.14-3,338.37-1,611.78

Finding the Fourth Proportional to 2,224.14, 3,338.37 and 1,611.78

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Solution

The fourth proportional to 2,224.14, 3,338.37 and 1,611.78 is: 2,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.14 : 3,338.37 = 1,611.78 : x
  2. Step 2: Convert to fraction form
    2,224.14/3,338.37 = 1,611.78/x
  3. Step 3: Cross multiply
    2,224.14x = 3,338.37 × 1,611.78
  4. Step 4: Simplify right side
    2,224.14x = 5,380,718.00
  5. Step 5: Solve for x
    x = 5,380,718.00/2,224.14
  6. Step 6: Final answer
    x = 2,419.24

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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.