Home / 3,213.23-4,428.96-2,150.62

Finding the Fourth Proportional to 3,213.23, 4,428.96 and 2,150.62

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Solution

The fourth proportional to 3,213.23, 4,428.96 and 2,150.62 is: 2,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.23 : 4,428.96 = 2,150.62 : x
  2. Step 2: Convert to fraction form
    3,213.23/4,428.96 = 2,150.62/x
  3. Step 3: Cross multiply
    3,213.23x = 4,428.96 × 2,150.62
  4. Step 4: Simplify right side
    3,213.23x = 9,525,009.96
  5. Step 5: Solve for x
    x = 9,525,009.96/3,213.23
  6. Step 6: Final answer
    x = 2,964.31

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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.