Home / 2,734.08-4,103.58-1,272.60

Finding the Fourth Proportional to 2,734.08, 4,103.58 and 1,272.60

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Solution

The fourth proportional to 2,734.08, 4,103.58 and 1,272.60 is: 1,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.08 : 4,103.58 = 1,272.60 : x
  2. Step 2: Convert to fraction form
    2,734.08/4,103.58 = 1,272.60/x
  3. Step 3: Cross multiply
    2,734.08x = 4,103.58 × 1,272.60
  4. Step 4: Simplify right side
    2,734.08x = 5,222,215.91
  5. Step 5: Solve for x
    x = 5,222,215.91/2,734.08
  6. Step 6: Final answer
    x = 1,910.05

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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.