Home / 1,486.30-2,049.42-1,265.98

Finding the Fourth Proportional to 1,486.30, 2,049.42 and 1,265.98

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Solution

The fourth proportional to 1,486.30, 2,049.42 and 1,265.98 is: 1,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.30 : 2,049.42 = 1,265.98 : x
  2. Step 2: Convert to fraction form
    1,486.30/2,049.42 = 1,265.98/x
  3. Step 3: Cross multiply
    1,486.30x = 2,049.42 × 1,265.98
  4. Step 4: Simplify right side
    1,486.30x = 2,594,524.73
  5. Step 5: Solve for x
    x = 2,594,524.73/1,486.30
  6. Step 6: Final answer
    x = 1,745.63

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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.