Home / 2,745.29-3,789.35-1,567.14

Finding the Fourth Proportional to 2,745.29, 3,789.35 and 1,567.14

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Solution

The fourth proportional to 2,745.29, 3,789.35 and 1,567.14 is: 2,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.29 : 3,789.35 = 1,567.14 : x
  2. Step 2: Convert to fraction form
    2,745.29/3,789.35 = 1,567.14/x
  3. Step 3: Cross multiply
    2,745.29x = 3,789.35 × 1,567.14
  4. Step 4: Simplify right side
    2,745.29x = 5,938,434.12
  5. Step 5: Solve for x
    x = 5,938,434.12/2,745.29
  6. Step 6: Final answer
    x = 2,163.14

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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.