Home / 2,734.68-4,104.01-1,091.70

Finding the Fourth Proportional to 2,734.68, 4,104.01 and 1,091.70

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Solution

The fourth proportional to 2,734.68, 4,104.01 and 1,091.70 is: 1,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.68 : 4,104.01 = 1,091.70 : x
  2. Step 2: Convert to fraction form
    2,734.68/4,104.01 = 1,091.70/x
  3. Step 3: Cross multiply
    2,734.68x = 4,104.01 × 1,091.70
  4. Step 4: Simplify right side
    2,734.68x = 4,480,349.08
  5. Step 5: Solve for x
    x = 4,480,349.08/2,734.68
  6. Step 6: Final answer
    x = 1,638.34

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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.