Home / 2,629.14-3,943.73-1,243.05

Finding the Fourth Proportional to 2,629.14, 3,943.73 and 1,243.05

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Solution

The fourth proportional to 2,629.14, 3,943.73 and 1,243.05 is: 1,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.14 : 3,943.73 = 1,243.05 : x
  2. Step 2: Convert to fraction form
    2,629.14/3,943.73 = 1,243.05/x
  3. Step 3: Cross multiply
    2,629.14x = 3,943.73 × 1,243.05
  4. Step 4: Simplify right side
    2,629.14x = 4,902,253.58
  5. Step 5: Solve for x
    x = 4,902,253.58/2,629.14
  6. Step 6: Final answer
    x = 1,864.58

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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.