Home / 3,285.71-4,922.98-1,984.44

Finding the Fourth Proportional to 3,285.71, 4,922.98 and 1,984.44

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Solution

The fourth proportional to 3,285.71, 4,922.98 and 1,984.44 is: 2,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.71 : 4,922.98 = 1,984.44 : x
  2. Step 2: Convert to fraction form
    3,285.71/4,922.98 = 1,984.44/x
  3. Step 3: Cross multiply
    3,285.71x = 4,922.98 × 1,984.44
  4. Step 4: Simplify right side
    3,285.71x = 9,769,358.43
  5. Step 5: Solve for x
    x = 9,769,358.43/3,285.71
  6. Step 6: Final answer
    x = 2,973.29

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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.