Home / 3,943.73-5,918.52-1,864.37

Finding the Fourth Proportional to 3,943.73, 5,918.52 and 1,864.37

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Solution

The fourth proportional to 3,943.73, 5,918.52 and 1,864.37 is: 2,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.73 : 5,918.52 = 1,864.37 : x
  2. Step 2: Convert to fraction form
    3,943.73/5,918.52 = 1,864.37/x
  3. Step 3: Cross multiply
    3,943.73x = 5,918.52 × 1,864.37
  4. Step 4: Simplify right side
    3,943.73x = 11,034,281.54
  5. Step 5: Solve for x
    x = 11,034,281.54/3,943.73
  6. Step 6: Final answer
    x = 2,797.93

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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.