Home / 3,244.20-4,858.20-2,142.60

Finding the Fourth Proportional to 3,244.20, 4,858.20 and 2,142.60

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Solution

The fourth proportional to 3,244.20, 4,858.20 and 2,142.60 is: 3,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.20 : 4,858.20 = 2,142.60 : x
  2. Step 2: Convert to fraction form
    3,244.20/4,858.20 = 2,142.60/x
  3. Step 3: Cross multiply
    3,244.20x = 4,858.20 × 2,142.60
  4. Step 4: Simplify right side
    3,244.20x = 10,409,179.32
  5. Step 5: Solve for x
    x = 10,409,179.32/3,244.20
  6. Step 6: Final answer
    x = 3,208.55

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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.