Home / 3,453.84-5,179.62-1,374.36

Finding the Fourth Proportional to 3,453.84, 5,179.62 and 1,374.36

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Solution

The fourth proportional to 3,453.84, 5,179.62 and 1,374.36 is: 2,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.84 : 5,179.62 = 1,374.36 : x
  2. Step 2: Convert to fraction form
    3,453.84/5,179.62 = 1,374.36/x
  3. Step 3: Cross multiply
    3,453.84x = 5,179.62 × 1,374.36
  4. Step 4: Simplify right side
    3,453.84x = 7,118,662.54
  5. Step 5: Solve for x
    x = 7,118,662.54/3,453.84
  6. Step 6: Final answer
    x = 2,061.09

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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.