Home / 1,881.38-2,816.52-1,185.92

Finding the Fourth Proportional to 1,881.38, 2,816.52 and 1,185.92

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Solution

The fourth proportional to 1,881.38, 2,816.52 and 1,185.92 is: 1,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.38 : 2,816.52 = 1,185.92 : x
  2. Step 2: Convert to fraction form
    1,881.38/2,816.52 = 1,185.92/x
  3. Step 3: Cross multiply
    1,881.38x = 2,816.52 × 1,185.92
  4. Step 4: Simplify right side
    1,881.38x = 3,340,167.40
  5. Step 5: Solve for x
    x = 3,340,167.40/1,881.38
  6. Step 6: Final answer
    x = 1,775.38

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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.