Home / 3,311.97-4,570.77-2,190.99

Finding the Fourth Proportional to 3,311.97, 4,570.77 and 2,190.99

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Solution

The fourth proportional to 3,311.97, 4,570.77 and 2,190.99 is: 3,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.97 : 4,570.77 = 2,190.99 : x
  2. Step 2: Convert to fraction form
    3,311.97/4,570.77 = 2,190.99/x
  3. Step 3: Cross multiply
    3,311.97x = 4,570.77 × 2,190.99
  4. Step 4: Simplify right side
    3,311.97x = 10,014,511.36
  5. Step 5: Solve for x
    x = 10,014,511.36/3,311.97
  6. Step 6: Final answer
    x = 3,023.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.