Home / 2,786.12-3,845.60-1,842.04

Finding the Fourth Proportional to 2,786.12, 3,845.60 and 1,842.04

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Solution

The fourth proportional to 2,786.12, 3,845.60 and 1,842.04 is: 2,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.12 : 3,845.60 = 1,842.04 : x
  2. Step 2: Convert to fraction form
    2,786.12/3,845.60 = 1,842.04/x
  3. Step 3: Cross multiply
    2,786.12x = 3,845.60 × 1,842.04
  4. Step 4: Simplify right side
    2,786.12x = 7,083,749.02
  5. Step 5: Solve for x
    x = 7,083,749.02/2,786.12
  6. Step 6: Final answer
    x = 2,542.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.