Home / 2,015.89-3,023.97-629.27

Finding the Fourth Proportional to 2,015.89, 3,023.97 and 629.27

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Solution

The fourth proportional to 2,015.89, 3,023.97 and 629.27 is: 943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.89 : 3,023.97 = 629.27 : x
  2. Step 2: Convert to fraction form
    2,015.89/3,023.97 = 629.27/x
  3. Step 3: Cross multiply
    2,015.89x = 3,023.97 × 629.27
  4. Step 4: Simplify right side
    2,015.89x = 1,902,887.46
  5. Step 5: Solve for x
    x = 1,902,887.46/2,015.89
  6. Step 6: Final answer
    x = 943.95

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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.