Home / 2,442.22-3,372.20-2,255.64

Finding the Fourth Proportional to 2,442.22, 3,372.20 and 2,255.64

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Solution

The fourth proportional to 2,442.22, 3,372.20 and 2,255.64 is: 3,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.22 : 3,372.20 = 2,255.64 : x
  2. Step 2: Convert to fraction form
    2,442.22/3,372.20 = 2,255.64/x
  3. Step 3: Cross multiply
    2,442.22x = 3,372.20 × 2,255.64
  4. Step 4: Simplify right side
    2,442.22x = 7,606,469.21
  5. Step 5: Solve for x
    x = 7,606,469.21/2,442.22
  6. Step 6: Final answer
    x = 3,114.57

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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.