Home / 3,450.80-4,765.50-2,194.22

Finding the Fourth Proportional to 3,450.80, 4,765.50 and 2,194.22

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Solution

The fourth proportional to 3,450.80, 4,765.50 and 2,194.22 is: 3,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.80 : 4,765.50 = 2,194.22 : x
  2. Step 2: Convert to fraction form
    3,450.80/4,765.50 = 2,194.22/x
  3. Step 3: Cross multiply
    3,450.80x = 4,765.50 × 2,194.22
  4. Step 4: Simplify right side
    3,450.80x = 10,456,555.41
  5. Step 5: Solve for x
    x = 10,456,555.41/3,450.80
  6. Step 6: Final answer
    x = 3,030.18

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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.