Home / 2,834.78-4,250.12-1,908.04

Finding the Fourth Proportional to 2,834.78, 4,250.12 and 1,908.04

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Solution

The fourth proportional to 2,834.78, 4,250.12 and 1,908.04 is: 2,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.78 : 4,250.12 = 1,908.04 : x
  2. Step 2: Convert to fraction form
    2,834.78/4,250.12 = 1,908.04/x
  3. Step 3: Cross multiply
    2,834.78x = 4,250.12 × 1,908.04
  4. Step 4: Simplify right side
    2,834.78x = 8,109,398.96
  5. Step 5: Solve for x
    x = 8,109,398.96/2,834.78
  6. Step 6: Final answer
    x = 2,860.68

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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.