Home / 2,286.66-3,428.28-1,190.37

Finding the Fourth Proportional to 2,286.66, 3,428.28 and 1,190.37

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Solution

The fourth proportional to 2,286.66, 3,428.28 and 1,190.37 is: 1,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.66 : 3,428.28 = 1,190.37 : x
  2. Step 2: Convert to fraction form
    2,286.66/3,428.28 = 1,190.37/x
  3. Step 3: Cross multiply
    2,286.66x = 3,428.28 × 1,190.37
  4. Step 4: Simplify right side
    2,286.66x = 4,080,921.66
  5. Step 5: Solve for x
    x = 4,080,921.66/2,286.66
  6. Step 6: Final answer
    x = 1,784.66

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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.