Home / 3,255.64-4,493.78-2,818.24

Finding the Fourth Proportional to 3,255.64, 4,493.78 and 2,818.24

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Solution

The fourth proportional to 3,255.64, 4,493.78 and 2,818.24 is: 3,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.64 : 4,493.78 = 2,818.24 : x
  2. Step 2: Convert to fraction form
    3,255.64/4,493.78 = 2,818.24/x
  3. Step 3: Cross multiply
    3,255.64x = 4,493.78 × 2,818.24
  4. Step 4: Simplify right side
    3,255.64x = 12,664,550.55
  5. Step 5: Solve for x
    x = 12,664,550.55/3,255.64
  6. Step 6: Final answer
    x = 3,890.03

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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.