Home / 2,745.90-3,789.36-1,567.08

Finding the Fourth Proportional to 2,745.90, 3,789.36 and 1,567.08

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Solution

The fourth proportional to 2,745.90, 3,789.36 and 1,567.08 is: 2,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.90 : 3,789.36 = 1,567.08 : x
  2. Step 2: Convert to fraction form
    2,745.90/3,789.36 = 1,567.08/x
  3. Step 3: Cross multiply
    2,745.90x = 3,789.36 × 1,567.08
  4. Step 4: Simplify right side
    2,745.90x = 5,938,230.27
  5. Step 5: Solve for x
    x = 5,938,230.27/2,745.90
  6. Step 6: Final answer
    x = 2,162.58

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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.