Home / 3,228.78-4,838.55-1,839.25

Finding the Fourth Proportional to 3,228.78, 4,838.55 and 1,839.25

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Solution

The fourth proportional to 3,228.78, 4,838.55 and 1,839.25 is: 2,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.78 : 4,838.55 = 1,839.25 : x
  2. Step 2: Convert to fraction form
    3,228.78/4,838.55 = 1,839.25/x
  3. Step 3: Cross multiply
    3,228.78x = 4,838.55 × 1,839.25
  4. Step 4: Simplify right side
    3,228.78x = 8,899,269.70
  5. Step 5: Solve for x
    x = 8,899,269.70/3,228.78
  6. Step 6: Final answer
    x = 2,756.24

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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.