Home / 3,245.40-4,860.90-2,512.60

Finding the Fourth Proportional to 3,245.40, 4,860.90 and 2,512.60

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Solution

The fourth proportional to 3,245.40, 4,860.90 and 2,512.60 is: 3,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.40 : 4,860.90 = 2,512.60 : x
  2. Step 2: Convert to fraction form
    3,245.40/4,860.90 = 2,512.60/x
  3. Step 3: Cross multiply
    3,245.40x = 4,860.90 × 2,512.60
  4. Step 4: Simplify right side
    3,245.40x = 12,213,497.34
  5. Step 5: Solve for x
    x = 12,213,497.34/3,245.40
  6. Step 6: Final answer
    x = 3,763.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.