Home / 3,282.78-4,919.56-2,173.48

Finding the Fourth Proportional to 3,282.78, 4,919.56 and 2,173.48

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Solution

The fourth proportional to 3,282.78, 4,919.56 and 2,173.48 is: 3,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.78 : 4,919.56 = 2,173.48 : x
  2. Step 2: Convert to fraction form
    3,282.78/4,919.56 = 2,173.48/x
  3. Step 3: Cross multiply
    3,282.78x = 4,919.56 × 2,173.48
  4. Step 4: Simplify right side
    3,282.78x = 10,692,565.27
  5. Step 5: Solve for x
    x = 10,692,565.27/3,282.78
  6. Step 6: Final answer
    x = 3,257.17

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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.