Home / 2,745.80-4,120.34-2,522.48

Finding the Fourth Proportional to 2,745.80, 4,120.34 and 2,522.48

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Solution

The fourth proportional to 2,745.80, 4,120.34 and 2,522.48 is: 3,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.80 : 4,120.34 = 2,522.48 : x
  2. Step 2: Convert to fraction form
    2,745.80/4,120.34 = 2,522.48/x
  3. Step 3: Cross multiply
    2,745.80x = 4,120.34 × 2,522.48
  4. Step 4: Simplify right side
    2,745.80x = 10,393,463.31
  5. Step 5: Solve for x
    x = 10,393,463.31/2,745.80
  6. Step 6: Final answer
    x = 3,785.22

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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.