Home / 3,289.33-4,539.20-1,963.36

Finding the Fourth Proportional to 3,289.33, 4,539.20 and 1,963.36

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Solution

The fourth proportional to 3,289.33, 4,539.20 and 1,963.36 is: 2,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.33 : 4,539.20 = 1,963.36 : x
  2. Step 2: Convert to fraction form
    3,289.33/4,539.20 = 1,963.36/x
  3. Step 3: Cross multiply
    3,289.33x = 4,539.20 × 1,963.36
  4. Step 4: Simplify right side
    3,289.33x = 8,912,083.71
  5. Step 5: Solve for x
    x = 8,912,083.71/3,289.33
  6. Step 6: Final answer
    x = 2,709.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.