Home / 2,029.11-3,043.91-1,918.39

Finding the Fourth Proportional to 2,029.11, 3,043.91 and 1,918.39

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Solution

The fourth proportional to 2,029.11, 3,043.91 and 1,918.39 is: 2,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.11 : 3,043.91 = 1,918.39 : x
  2. Step 2: Convert to fraction form
    2,029.11/3,043.91 = 1,918.39/x
  3. Step 3: Cross multiply
    2,029.11x = 3,043.91 × 1,918.39
  4. Step 4: Simplify right side
    2,029.11x = 5,839,413.12
  5. Step 5: Solve for x
    x = 5,839,413.12/2,029.11
  6. Step 6: Final answer
    x = 2,877.82

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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.