Home / 2,015.87-3,024.15-629.18

Finding the Fourth Proportional to 2,015.87, 3,024.15 and 629.18

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Solution

The fourth proportional to 2,015.87, 3,024.15 and 629.18 is: 943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.87 : 3,024.15 = 629.18 : x
  2. Step 2: Convert to fraction form
    2,015.87/3,024.15 = 629.18/x
  3. Step 3: Cross multiply
    2,015.87x = 3,024.15 × 629.18
  4. Step 4: Simplify right side
    2,015.87x = 1,902,728.67
  5. Step 5: Solve for x
    x = 1,902,728.67/2,015.87
  6. Step 6: Final answer
    x = 943.87

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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.