Home / 1,371.11-1,892.13-1,266.46

Finding the Fourth Proportional to 1,371.11, 1,892.13 and 1,266.46

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Solution

The fourth proportional to 1,371.11, 1,892.13 and 1,266.46 is: 1,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.11 : 1,892.13 = 1,266.46 : x
  2. Step 2: Convert to fraction form
    1,371.11/1,892.13 = 1,266.46/x
  3. Step 3: Cross multiply
    1,371.11x = 1,892.13 × 1,266.46
  4. Step 4: Simplify right side
    1,371.11x = 2,396,302.23
  5. Step 5: Solve for x
    x = 2,396,302.23/1,371.11
  6. Step 6: Final answer
    x = 1,747.72

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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.