Home / 3,103.98-4,654.74-1,371.39

Finding the Fourth Proportional to 3,103.98, 4,654.74 and 1,371.39

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Solution

The fourth proportional to 3,103.98, 4,654.74 and 1,371.39 is: 2,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.98 : 4,654.74 = 1,371.39 : x
  2. Step 2: Convert to fraction form
    3,103.98/4,654.74 = 1,371.39/x
  3. Step 3: Cross multiply
    3,103.98x = 4,654.74 × 1,371.39
  4. Step 4: Simplify right side
    3,103.98x = 6,383,463.89
  5. Step 5: Solve for x
    x = 6,383,463.89/3,103.98
  6. Step 6: Final answer
    x = 2,056.54

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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.