Home / 3,445.78-4,757.34-2,268.85

Finding the Fourth Proportional to 3,445.78, 4,757.34 and 2,268.85

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Solution

The fourth proportional to 3,445.78, 4,757.34 and 2,268.85 is: 3,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.78 : 4,757.34 = 2,268.85 : x
  2. Step 2: Convert to fraction form
    3,445.78/4,757.34 = 2,268.85/x
  3. Step 3: Cross multiply
    3,445.78x = 4,757.34 × 2,268.85
  4. Step 4: Simplify right side
    3,445.78x = 10,793,690.86
  5. Step 5: Solve for x
    x = 10,793,690.86/3,445.78
  6. Step 6: Final answer
    x = 3,132.44

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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.