Home / 3,090.42-4,634.19-1,792.26

Finding the Fourth Proportional to 3,090.42, 4,634.19 and 1,792.26

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Solution

The fourth proportional to 3,090.42, 4,634.19 and 1,792.26 is: 2,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.42 : 4,634.19 = 1,792.26 : x
  2. Step 2: Convert to fraction form
    3,090.42/4,634.19 = 1,792.26/x
  3. Step 3: Cross multiply
    3,090.42x = 4,634.19 × 1,792.26
  4. Step 4: Simplify right side
    3,090.42x = 8,305,673.37
  5. Step 5: Solve for x
    x = 8,305,673.37/3,090.42
  6. Step 6: Final answer
    x = 2,687.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.