Home / 2,828.12-4,236.66-1,851.26

Finding the Fourth Proportional to 2,828.12, 4,236.66 and 1,851.26

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Solution

The fourth proportional to 2,828.12, 4,236.66 and 1,851.26 is: 2,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.12 : 4,236.66 = 1,851.26 : x
  2. Step 2: Convert to fraction form
    2,828.12/4,236.66 = 1,851.26/x
  3. Step 3: Cross multiply
    2,828.12x = 4,236.66 × 1,851.26
  4. Step 4: Simplify right side
    2,828.12x = 7,843,144.72
  5. Step 5: Solve for x
    x = 7,843,144.72/2,828.12
  6. Step 6: Final answer
    x = 2,773.27

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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.