Home / 3,028-4,550.34-2,647.12

Finding the Fourth Proportional to 3,028, 4,550.34 and 2,647.12

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Solution

The fourth proportional to 3,028, 4,550.34 and 2,647.12 is: 3,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028 : 4,550.34 = 2,647.12 : x
  2. Step 2: Convert to fraction form
    3,028/4,550.34 = 2,647.12/x
  3. Step 3: Cross multiply
    3,028x = 4,550.34 × 2,647.12
  4. Step 4: Simplify right side
    3,028x = 12,045,296.02
  5. Step 5: Solve for x
    x = 12,045,296.02/3,028
  6. Step 6: Final answer
    x = 3,977.97

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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.