Home / 3,245.64-4,479.97-2,808.24

Finding the Fourth Proportional to 3,245.64, 4,479.97 and 2,808.24

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Solution

The fourth proportional to 3,245.64, 4,479.97 and 2,808.24 is: 3,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.64 : 4,479.97 = 2,808.24 : x
  2. Step 2: Convert to fraction form
    3,245.64/4,479.97 = 2,808.24/x
  3. Step 3: Cross multiply
    3,245.64x = 4,479.97 × 2,808.24
  4. Step 4: Simplify right side
    3,245.64x = 12,580,830.95
  5. Step 5: Solve for x
    x = 12,580,830.95/3,245.64
  6. Step 6: Final answer
    x = 3,876.23

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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.