Home / 2,185.11-3,015.50-1,346.22

Finding the Fourth Proportional to 2,185.11, 3,015.50 and 1,346.22

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Solution

The fourth proportional to 2,185.11, 3,015.50 and 1,346.22 is: 1,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.11 : 3,015.50 = 1,346.22 : x
  2. Step 2: Convert to fraction form
    2,185.11/3,015.50 = 1,346.22/x
  3. Step 3: Cross multiply
    2,185.11x = 3,015.50 × 1,346.22
  4. Step 4: Simplify right side
    2,185.11x = 4,059,519.68
  5. Step 5: Solve for x
    x = 4,059,519.68/2,185.11
  6. Step 6: Final answer
    x = 1,857.81

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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.