Home / 3,270.89-4,909.07-1,711.44

Finding the Fourth Proportional to 3,270.89, 4,909.07 and 1,711.44

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Solution

The fourth proportional to 3,270.89, 4,909.07 and 1,711.44 is: 2,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.89 : 4,909.07 = 1,711.44 : x
  2. Step 2: Convert to fraction form
    3,270.89/4,909.07 = 1,711.44/x
  3. Step 3: Cross multiply
    3,270.89x = 4,909.07 × 1,711.44
  4. Step 4: Simplify right side
    3,270.89x = 8,401,578.76
  5. Step 5: Solve for x
    x = 8,401,578.76/3,270.89
  6. Step 6: Final answer
    x = 2,568.59

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1.5x scale

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.