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Finding the Fourth Proportional to 2,014.99, 3,022.91 and 628.27

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Solution

The fourth proportional to 2,014.99, 3,022.91 and 628.27 is: 942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.99 : 3,022.91 = 628.27 : x
  2. Step 2: Convert to fraction form
    2,014.99/3,022.91 = 628.27/x
  3. Step 3: Cross multiply
    2,014.99x = 3,022.91 × 628.27
  4. Step 4: Simplify right side
    2,014.99x = 1,899,203.67
  5. Step 5: Solve for x
    x = 1,899,203.67/2,014.99
  6. Step 6: Final answer
    x = 942.54

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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.