Home / 2,768.48-3,825.37-2,213.53

Finding the Fourth Proportional to 2,768.48, 3,825.37 and 2,213.53

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Solution

The fourth proportional to 2,768.48, 3,825.37 and 2,213.53 is: 3,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.48 : 3,825.37 = 2,213.53 : x
  2. Step 2: Convert to fraction form
    2,768.48/3,825.37 = 2,213.53/x
  3. Step 3: Cross multiply
    2,768.48x = 3,825.37 × 2,213.53
  4. Step 4: Simplify right side
    2,768.48x = 8,467,571.26
  5. Step 5: Solve for x
    x = 8,467,571.26/2,768.48
  6. Step 6: Final answer
    x = 3,058.56

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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.