Home / 3,428.30-4,731.33-1,936.58

Finding the Fourth Proportional to 3,428.30, 4,731.33 and 1,936.58

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Solution

The fourth proportional to 3,428.30, 4,731.33 and 1,936.58 is: 2,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.30 : 4,731.33 = 1,936.58 : x
  2. Step 2: Convert to fraction form
    3,428.30/4,731.33 = 1,936.58/x
  3. Step 3: Cross multiply
    3,428.30x = 4,731.33 × 1,936.58
  4. Step 4: Simplify right side
    3,428.30x = 9,162,599.05
  5. Step 5: Solve for x
    x = 9,162,599.05/3,428.30
  6. Step 6: Final answer
    x = 2,672.64

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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.