Home / 3,299.13-4,550.19-2,120.31

Finding the Fourth Proportional to 3,299.13, 4,550.19 and 2,120.31

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Solution

The fourth proportional to 3,299.13, 4,550.19 and 2,120.31 is: 2,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.13 : 4,550.19 = 2,120.31 : x
  2. Step 2: Convert to fraction form
    3,299.13/4,550.19 = 2,120.31/x
  3. Step 3: Cross multiply
    3,299.13x = 4,550.19 × 2,120.31
  4. Step 4: Simplify right side
    3,299.13x = 9,647,813.36
  5. Step 5: Solve for x
    x = 9,647,813.36/3,299.13
  6. Step 6: Final answer
    x = 2,924.35

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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.