Home / 1,932.27-2,666.97-1,372.16

Finding the Fourth Proportional to 1,932.27, 2,666.97 and 1,372.16

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Solution

The fourth proportional to 1,932.27, 2,666.97 and 1,372.16 is: 1,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.27 : 2,666.97 = 1,372.16 : x
  2. Step 2: Convert to fraction form
    1,932.27/2,666.97 = 1,372.16/x
  3. Step 3: Cross multiply
    1,932.27x = 2,666.97 × 1,372.16
  4. Step 4: Simplify right side
    1,932.27x = 3,659,496.22
  5. Step 5: Solve for x
    x = 3,659,496.22/1,932.27
  6. Step 6: Final answer
    x = 1,893.88

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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.