Home / 3,226.40-4,453.08-2,107.52

Finding the Fourth Proportional to 3,226.40, 4,453.08 and 2,107.52

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Solution

The fourth proportional to 3,226.40, 4,453.08 and 2,107.52 is: 2,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.40 : 4,453.08 = 2,107.52 : x
  2. Step 2: Convert to fraction form
    3,226.40/4,453.08 = 2,107.52/x
  3. Step 3: Cross multiply
    3,226.40x = 4,453.08 × 2,107.52
  4. Step 4: Simplify right side
    3,226.40x = 9,384,955.16
  5. Step 5: Solve for x
    x = 9,384,955.16/3,226.40
  6. Step 6: Final answer
    x = 2,908.80

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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.