Home / 2,486.56-3,721.73-1,828.26

Finding the Fourth Proportional to 2,486.56, 3,721.73 and 1,828.26

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Solution

The fourth proportional to 2,486.56, 3,721.73 and 1,828.26 is: 2,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.56 : 3,721.73 = 1,828.26 : x
  2. Step 2: Convert to fraction form
    2,486.56/3,721.73 = 1,828.26/x
  3. Step 3: Cross multiply
    2,486.56x = 3,721.73 × 1,828.26
  4. Step 4: Simplify right side
    2,486.56x = 6,804,290.09
  5. Step 5: Solve for x
    x = 6,804,290.09/2,486.56
  6. Step 6: Final answer
    x = 2,736.43

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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.