Home / 2,185.51-3,015.96-1,241.32

Finding the Fourth Proportional to 2,185.51, 3,015.96 and 1,241.32

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Solution

The fourth proportional to 2,185.51, 3,015.96 and 1,241.32 is: 1,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.51 : 3,015.96 = 1,241.32 : x
  2. Step 2: Convert to fraction form
    2,185.51/3,015.96 = 1,241.32/x
  3. Step 3: Cross multiply
    2,185.51x = 3,015.96 × 1,241.32
  4. Step 4: Simplify right side
    2,185.51x = 3,743,771.47
  5. Step 5: Solve for x
    x = 3,743,771.47/2,185.51
  6. Step 6: Final answer
    x = 1,713.00

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