Home / 2,936.60-4,400.66-1,620.62

Finding the Fourth Proportional to 2,936.60, 4,400.66 and 1,620.62

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Solution

The fourth proportional to 2,936.60, 4,400.66 and 1,620.62 is: 2,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.60 : 4,400.66 = 1,620.62 : x
  2. Step 2: Convert to fraction form
    2,936.60/4,400.66 = 1,620.62/x
  3. Step 3: Cross multiply
    2,936.60x = 4,400.66 × 1,620.62
  4. Step 4: Simplify right side
    2,936.60x = 7,131,797.61
  5. Step 5: Solve for x
    x = 7,131,797.61/2,936.60
  6. Step 6: Final answer
    x = 2,428.59

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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.