Home / 3,270.45-4,904.91-1,190.67

Finding the Fourth Proportional to 3,270.45, 4,904.91 and 1,190.67

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Solution

The fourth proportional to 3,270.45, 4,904.91 and 1,190.67 is: 1,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.45 : 4,904.91 = 1,190.67 : x
  2. Step 2: Convert to fraction form
    3,270.45/4,904.91 = 1,190.67/x
  3. Step 3: Cross multiply
    3,270.45x = 4,904.91 × 1,190.67
  4. Step 4: Simplify right side
    3,270.45x = 5,840,129.19
  5. Step 5: Solve for x
    x = 5,840,129.19/3,270.45
  6. Step 6: Final answer
    x = 1,785.73

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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.