Home / 3,389.60-5,089.56-3,222.54

Finding the Fourth Proportional to 3,389.60, 5,089.56 and 3,222.54

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Solution

The fourth proportional to 3,389.60, 5,089.56 and 3,222.54 is: 4,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.60 : 5,089.56 = 3,222.54 : x
  2. Step 2: Convert to fraction form
    3,389.60/5,089.56 = 3,222.54/x
  3. Step 3: Cross multiply
    3,389.60x = 5,089.56 × 3,222.54
  4. Step 4: Simplify right side
    3,389.60x = 16,401,310.68
  5. Step 5: Solve for x
    x = 16,401,310.68/3,389.60
  6. Step 6: Final answer
    x = 4,838.72

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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.