Home / 3,289.25-4,936.31-1,557.88

Finding the Fourth Proportional to 3,289.25, 4,936.31 and 1,557.88

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Solution

The fourth proportional to 3,289.25, 4,936.31 and 1,557.88 is: 2,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.25 : 4,936.31 = 1,557.88 : x
  2. Step 2: Convert to fraction form
    3,289.25/4,936.31 = 1,557.88/x
  3. Step 3: Cross multiply
    3,289.25x = 4,936.31 × 1,557.88
  4. Step 4: Simplify right side
    3,289.25x = 7,690,178.62
  5. Step 5: Solve for x
    x = 7,690,178.62/3,289.25
  6. Step 6: Final answer
    x = 2,337.97

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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.