Home / 2,847.43-4,273.40-1,205.11

Finding the Fourth Proportional to 2,847.43, 4,273.40 and 1,205.11

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Solution

The fourth proportional to 2,847.43, 4,273.40 and 1,205.11 is: 1,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.43 : 4,273.40 = 1,205.11 : x
  2. Step 2: Convert to fraction form
    2,847.43/4,273.40 = 1,205.11/x
  3. Step 3: Cross multiply
    2,847.43x = 4,273.40 × 1,205.11
  4. Step 4: Simplify right side
    2,847.43x = 5,149,917.07
  5. Step 5: Solve for x
    x = 5,149,917.07/2,847.43
  6. Step 6: Final answer
    x = 1,808.62

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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.