Home / 3,220.13-4,829.61-1,738.66

Finding the Fourth Proportional to 3,220.13, 4,829.61 and 1,738.66

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Solution

The fourth proportional to 3,220.13, 4,829.61 and 1,738.66 is: 2,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.13 : 4,829.61 = 1,738.66 : x
  2. Step 2: Convert to fraction form
    3,220.13/4,829.61 = 1,738.66/x
  3. Step 3: Cross multiply
    3,220.13x = 4,829.61 × 1,738.66
  4. Step 4: Simplify right side
    3,220.13x = 8,397,049.72
  5. Step 5: Solve for x
    x = 8,397,049.72/3,220.13
  6. Step 6: Final answer
    x = 2,607.67

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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.