Home / 2,730.80-4,093.80-1,635.60

Finding the Fourth Proportional to 2,730.80, 4,093.80 and 1,635.60

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Solution

The fourth proportional to 2,730.80, 4,093.80 and 1,635.60 is: 2,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.80 : 4,093.80 = 1,635.60 : x
  2. Step 2: Convert to fraction form
    2,730.80/4,093.80 = 1,635.60/x
  3. Step 3: Cross multiply
    2,730.80x = 4,093.80 × 1,635.60
  4. Step 4: Simplify right side
    2,730.80x = 6,695,819.28
  5. Step 5: Solve for x
    x = 6,695,819.28/2,730.80
  6. Step 6: Final answer
    x = 2,451.96

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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.