Home / 2,745.52-3,789.39-1,697.38

Finding the Fourth Proportional to 2,745.52, 3,789.39 and 1,697.38

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Solution

The fourth proportional to 2,745.52, 3,789.39 and 1,697.38 is: 2,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.52 : 3,789.39 = 1,697.38 : x
  2. Step 2: Convert to fraction form
    2,745.52/3,789.39 = 1,697.38/x
  3. Step 3: Cross multiply
    2,745.52x = 3,789.39 × 1,697.38
  4. Step 4: Simplify right side
    2,745.52x = 6,432,034.80
  5. Step 5: Solve for x
    x = 6,432,034.80/2,745.52
  6. Step 6: Final answer
    x = 2,342.74

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1.5x scale

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.