Home / 2,133.34-3,198.29-1,145.14

Finding the Fourth Proportional to 2,133.34, 3,198.29 and 1,145.14

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Solution

The fourth proportional to 2,133.34, 3,198.29 and 1,145.14 is: 1,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.34 : 3,198.29 = 1,145.14 : x
  2. Step 2: Convert to fraction form
    2,133.34/3,198.29 = 1,145.14/x
  3. Step 3: Cross multiply
    2,133.34x = 3,198.29 × 1,145.14
  4. Step 4: Simplify right side
    2,133.34x = 3,662,476.09
  5. Step 5: Solve for x
    x = 3,662,476.09/2,133.34
  6. Step 6: Final answer
    x = 1,716.78

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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.