Home / 3,517.60-5,276.40-3,383.20

Finding the Fourth Proportional to 3,517.60, 5,276.40 and 3,383.20

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Solution

The fourth proportional to 3,517.60, 5,276.40 and 3,383.20 is: 5,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.60 : 5,276.40 = 3,383.20 : x
  2. Step 2: Convert to fraction form
    3,517.60/5,276.40 = 3,383.20/x
  3. Step 3: Cross multiply
    3,517.60x = 5,276.40 × 3,383.20
  4. Step 4: Simplify right side
    3,517.60x = 17,851,116.48
  5. Step 5: Solve for x
    x = 17,851,116.48/3,517.60
  6. Step 6: Final answer
    x = 5,074.80

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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.