Home / 2,745.28-3,788.92-1,751

Finding the Fourth Proportional to 2,745.28, 3,788.92 and 1,751

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Solution

The fourth proportional to 2,745.28, 3,788.92 and 1,751 is: 2,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.28 : 3,788.92 = 1,751 : x
  2. Step 2: Convert to fraction form
    2,745.28/3,788.92 = 1,751/x
  3. Step 3: Cross multiply
    2,745.28x = 3,788.92 × 1,751
  4. Step 4: Simplify right side
    2,745.28x = 6,634,398.92
  5. Step 5: Solve for x
    x = 6,634,398.92/2,745.28
  6. Step 6: Final answer
    x = 2,416.66

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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.