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Finding the Fourth Proportional to 2,014.78, 3,021.06 and 627.73

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Solution

The fourth proportional to 2,014.78, 3,021.06 and 627.73 is: 941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.78 : 3,021.06 = 627.73 : x
  2. Step 2: Convert to fraction form
    2,014.78/3,021.06 = 627.73/x
  3. Step 3: Cross multiply
    2,014.78x = 3,021.06 × 627.73
  4. Step 4: Simplify right side
    2,014.78x = 1,896,409.99
  5. Step 5: Solve for x
    x = 1,896,409.99/2,014.78
  6. Step 6: Final answer
    x = 941.25

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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.