Home / 2,918.82-4,028.50-1,739.97

Finding the Fourth Proportional to 2,918.82, 4,028.50 and 1,739.97

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Solution

The fourth proportional to 2,918.82, 4,028.50 and 1,739.97 is: 2,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.82 : 4,028.50 = 1,739.97 : x
  2. Step 2: Convert to fraction form
    2,918.82/4,028.50 = 1,739.97/x
  3. Step 3: Cross multiply
    2,918.82x = 4,028.50 × 1,739.97
  4. Step 4: Simplify right side
    2,918.82x = 7,009,469.15
  5. Step 5: Solve for x
    x = 7,009,469.15/2,918.82
  6. Step 6: Final answer
    x = 2,401.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.