Home / 2,745.88-3,789.31-1,486.93

Finding the Fourth Proportional to 2,745.88, 3,789.31 and 1,486.93

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Solution

The fourth proportional to 2,745.88, 3,789.31 and 1,486.93 is: 2,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.88 : 3,789.31 = 1,486.93 : x
  2. Step 2: Convert to fraction form
    2,745.88/3,789.31 = 1,486.93/x
  3. Step 3: Cross multiply
    2,745.88x = 3,789.31 × 1,486.93
  4. Step 4: Simplify right side
    2,745.88x = 5,634,431.28
  5. Step 5: Solve for x
    x = 5,634,431.28/2,745.88
  6. Step 6: Final answer
    x = 2,051.96

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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.