Home / 2,734.90-4,102.95-1,091.02

Finding the Fourth Proportional to 2,734.90, 4,102.95 and 1,091.02

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Solution

The fourth proportional to 2,734.90, 4,102.95 and 1,091.02 is: 1,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.90 : 4,102.95 = 1,091.02 : x
  2. Step 2: Convert to fraction form
    2,734.90/4,102.95 = 1,091.02/x
  3. Step 3: Cross multiply
    2,734.90x = 4,102.95 × 1,091.02
  4. Step 4: Simplify right side
    2,734.90x = 4,476,400.51
  5. Step 5: Solve for x
    x = 4,476,400.51/2,734.90
  6. Step 6: Final answer
    x = 1,636.77

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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.