Home / 3,255.25-4,492.21-1,910.62

Finding the Fourth Proportional to 3,255.25, 4,492.21 and 1,910.62

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Solution

The fourth proportional to 3,255.25, 4,492.21 and 1,910.62 is: 2,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.25 : 4,492.21 = 1,910.62 : x
  2. Step 2: Convert to fraction form
    3,255.25/4,492.21 = 1,910.62/x
  3. Step 3: Cross multiply
    3,255.25x = 4,492.21 × 1,910.62
  4. Step 4: Simplify right side
    3,255.25x = 8,582,928.42
  5. Step 5: Solve for x
    x = 8,582,928.42/3,255.25
  6. Step 6: Final answer
    x = 2,636.64

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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.