Home / 2,745.26-4,121.44-2,357.76

Finding the Fourth Proportional to 2,745.26, 4,121.44 and 2,357.76

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Solution

The fourth proportional to 2,745.26, 4,121.44 and 2,357.76 is: 3,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.26 : 4,121.44 = 2,357.76 : x
  2. Step 2: Convert to fraction form
    2,745.26/4,121.44 = 2,357.76/x
  3. Step 3: Cross multiply
    2,745.26x = 4,121.44 × 2,357.76
  4. Step 4: Simplify right side
    2,745.26x = 9,717,360.48
  5. Step 5: Solve for x
    x = 9,717,360.48/2,745.26
  6. Step 6: Final answer
    x = 3,539.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.