Home / 3,517.60-5,276.40-3,153.10

Finding the Fourth Proportional to 3,517.60, 5,276.40 and 3,153.10

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Solution

The fourth proportional to 3,517.60, 5,276.40 and 3,153.10 is: 4,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.60 : 5,276.40 = 3,153.10 : x
  2. Step 2: Convert to fraction form
    3,517.60/5,276.40 = 3,153.10/x
  3. Step 3: Cross multiply
    3,517.60x = 5,276.40 × 3,153.10
  4. Step 4: Simplify right side
    3,517.60x = 16,637,016.84
  5. Step 5: Solve for x
    x = 16,637,016.84/3,517.60
  6. Step 6: Final answer
    x = 4,729.65

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Similar ratio
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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.