Home / 3,228.29-4,450.53-2,164.20

Finding the Fourth Proportional to 3,228.29, 4,450.53 and 2,164.20

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Solution

The fourth proportional to 3,228.29, 4,450.53 and 2,164.20 is: 2,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.29 : 4,450.53 = 2,164.20 : x
  2. Step 2: Convert to fraction form
    3,228.29/4,450.53 = 2,164.20/x
  3. Step 3: Cross multiply
    3,228.29x = 4,450.53 × 2,164.20
  4. Step 4: Simplify right side
    3,228.29x = 9,631,837.03
  5. Step 5: Solve for x
    x = 9,631,837.03/3,228.29
  6. Step 6: Final answer
    x = 2,983.58

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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.