Home / 2,745.74-3,789.50-1,627.64

Finding the Fourth Proportional to 2,745.74, 3,789.50 and 1,627.64

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Solution

The fourth proportional to 2,745.74, 3,789.50 and 1,627.64 is: 2,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.74 : 3,789.50 = 1,627.64 : x
  2. Step 2: Convert to fraction form
    2,745.74/3,789.50 = 1,627.64/x
  3. Step 3: Cross multiply
    2,745.74x = 3,789.50 × 1,627.64
  4. Step 4: Simplify right side
    2,745.74x = 6,167,941.78
  5. Step 5: Solve for x
    x = 6,167,941.78/2,745.74
  6. Step 6: Final answer
    x = 2,246.37

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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.