Home / 2,016.45-3,024.90-629.78

Finding the Fourth Proportional to 2,016.45, 3,024.90 and 629.78

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Solution

The fourth proportional to 2,016.45, 3,024.90 and 629.78 is: 944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.45 : 3,024.90 = 629.78 : x
  2. Step 2: Convert to fraction form
    2,016.45/3,024.90 = 629.78/x
  3. Step 3: Cross multiply
    2,016.45x = 3,024.90 × 629.78
  4. Step 4: Simplify right side
    2,016.45x = 1,905,021.52
  5. Step 5: Solve for x
    x = 1,905,021.52/2,016.45
  6. Step 6: Final answer
    x = 944.74

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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.