Home / 3,289.69-4,539.91-1,892.44

Finding the Fourth Proportional to 3,289.69, 4,539.91 and 1,892.44

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Solution

The fourth proportional to 3,289.69, 4,539.91 and 1,892.44 is: 2,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.69 : 4,539.91 = 1,892.44 : x
  2. Step 2: Convert to fraction form
    3,289.69/4,539.91 = 1,892.44/x
  3. Step 3: Cross multiply
    3,289.69x = 4,539.91 × 1,892.44
  4. Step 4: Simplify right side
    3,289.69x = 8,591,491.20
  5. Step 5: Solve for x
    x = 8,591,491.20/3,289.69
  6. Step 6: Final answer
    x = 2,611.64

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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.