Home / 3,289.38-4,539.58-1,963.27

Finding the Fourth Proportional to 3,289.38, 4,539.58 and 1,963.27

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Solution

The fourth proportional to 3,289.38, 4,539.58 and 1,963.27 is: 2,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.38 : 4,539.58 = 1,963.27 : x
  2. Step 2: Convert to fraction form
    3,289.38/4,539.58 = 1,963.27/x
  3. Step 3: Cross multiply
    3,289.38x = 4,539.58 × 1,963.27
  4. Step 4: Simplify right side
    3,289.38x = 8,912,421.99
  5. Step 5: Solve for x
    x = 8,912,421.99/3,289.38
  6. Step 6: Final answer
    x = 2,709.46

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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.