Home / 3,276.60-4,914.90-1,636.35

Finding the Fourth Proportional to 3,276.60, 4,914.90 and 1,636.35

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Solution

The fourth proportional to 3,276.60, 4,914.90 and 1,636.35 is: 2,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.60 : 4,914.90 = 1,636.35 : x
  2. Step 2: Convert to fraction form
    3,276.60/4,914.90 = 1,636.35/x
  3. Step 3: Cross multiply
    3,276.60x = 4,914.90 × 1,636.35
  4. Step 4: Simplify right side
    3,276.60x = 8,042,496.62
  5. Step 5: Solve for x
    x = 8,042,496.62/3,276.60
  6. Step 6: Final answer
    x = 2,454.53

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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.