Home / 3,376.14-5,062.68-1,620.90

Finding the Fourth Proportional to 3,376.14, 5,062.68 and 1,620.90

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Solution

The fourth proportional to 3,376.14, 5,062.68 and 1,620.90 is: 2,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.14 : 5,062.68 = 1,620.90 : x
  2. Step 2: Convert to fraction form
    3,376.14/5,062.68 = 1,620.90/x
  3. Step 3: Cross multiply
    3,376.14x = 5,062.68 × 1,620.90
  4. Step 4: Simplify right side
    3,376.14x = 8,206,098.01
  5. Step 5: Solve for x
    x = 8,206,098.01/3,376.14
  6. Step 6: Final answer
    x = 2,430.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.