Home / 2,745.27-3,788.82-1,697.49

Finding the Fourth Proportional to 2,745.27, 3,788.82 and 1,697.49

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Solution

The fourth proportional to 2,745.27, 3,788.82 and 1,697.49 is: 2,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.27 : 3,788.82 = 1,697.49 : x
  2. Step 2: Convert to fraction form
    2,745.27/3,788.82 = 1,697.49/x
  3. Step 3: Cross multiply
    2,745.27x = 3,788.82 × 1,697.49
  4. Step 4: Simplify right side
    2,745.27x = 6,431,484.06
  5. Step 5: Solve for x
    x = 6,431,484.06/2,745.27
  6. Step 6: Final answer
    x = 2,342.75

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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.