Home / 1,486.05-2,049.08-1,265.73

Finding the Fourth Proportional to 1,486.05, 2,049.08 and 1,265.73

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Solution

The fourth proportional to 1,486.05, 2,049.08 and 1,265.73 is: 1,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.05 : 2,049.08 = 1,265.73 : x
  2. Step 2: Convert to fraction form
    1,486.05/2,049.08 = 1,265.73/x
  3. Step 3: Cross multiply
    1,486.05x = 2,049.08 × 1,265.73
  4. Step 4: Simplify right side
    1,486.05x = 2,593,575.70
  5. Step 5: Solve for x
    x = 2,593,575.70/1,486.05
  6. Step 6: Final answer
    x = 1,745.28

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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.