Home / 3,297.73-4,550.29-1,900.21

Finding the Fourth Proportional to 3,297.73, 4,550.29 and 1,900.21

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Solution

The fourth proportional to 3,297.73, 4,550.29 and 1,900.21 is: 2,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.73 : 4,550.29 = 1,900.21 : x
  2. Step 2: Convert to fraction form
    3,297.73/4,550.29 = 1,900.21/x
  3. Step 3: Cross multiply
    3,297.73x = 4,550.29 × 1,900.21
  4. Step 4: Simplify right side
    3,297.73x = 8,646,506.56
  5. Step 5: Solve for x
    x = 8,646,506.56/3,297.73
  6. Step 6: Final answer
    x = 2,621.96

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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.