Home / 3,428.73-4,731.14-1,936.62

Finding the Fourth Proportional to 3,428.73, 4,731.14 and 1,936.62

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Solution

The fourth proportional to 3,428.73, 4,731.14 and 1,936.62 is: 2,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.73 : 4,731.14 = 1,936.62 : x
  2. Step 2: Convert to fraction form
    3,428.73/4,731.14 = 1,936.62/x
  3. Step 3: Cross multiply
    3,428.73x = 4,731.14 × 1,936.62
  4. Step 4: Simplify right side
    3,428.73x = 9,162,420.35
  5. Step 5: Solve for x
    x = 9,162,420.35/3,428.73
  6. Step 6: Final answer
    x = 2,672.25

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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.