Home / 2,015.24-3,021.94-628.17

Finding the Fourth Proportional to 2,015.24, 3,021.94 and 628.17

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Solution

The fourth proportional to 2,015.24, 3,021.94 and 628.17 is: 941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.24 : 3,021.94 = 628.17 : x
  2. Step 2: Convert to fraction form
    2,015.24/3,021.94 = 628.17/x
  3. Step 3: Cross multiply
    2,015.24x = 3,021.94 × 628.17
  4. Step 4: Simplify right side
    2,015.24x = 1,898,292.05
  5. Step 5: Solve for x
    x = 1,898,292.05/2,015.24
  6. Step 6: Final answer
    x = 941.97

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1.5x scale

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.