Home / 3,351.78-5,027.74-1,376.06

Finding the Fourth Proportional to 3,351.78, 5,027.74 and 1,376.06

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Solution

The fourth proportional to 3,351.78, 5,027.74 and 1,376.06 is: 2,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.78 : 5,027.74 = 1,376.06 : x
  2. Step 2: Convert to fraction form
    3,351.78/5,027.74 = 1,376.06/x
  3. Step 3: Cross multiply
    3,351.78x = 5,027.74 × 1,376.06
  4. Step 4: Simplify right side
    3,351.78x = 6,918,443.33
  5. Step 5: Solve for x
    x = 6,918,443.33/3,351.78
  6. Step 6: Final answer
    x = 2,064.11

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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.