Home / 3,271.16-4,453.80-3,260.78

Finding the Fourth Proportional to 3,271.16, 4,453.80 and 3,260.78

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Solution

The fourth proportional to 3,271.16, 4,453.80 and 3,260.78 is: 4,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.16 : 4,453.80 = 3,260.78 : x
  2. Step 2: Convert to fraction form
    3,271.16/4,453.80 = 3,260.78/x
  3. Step 3: Cross multiply
    3,271.16x = 4,453.80 × 3,260.78
  4. Step 4: Simplify right side
    3,271.16x = 14,522,861.96
  5. Step 5: Solve for x
    x = 14,522,861.96/3,271.16
  6. Step 6: Final answer
    x = 4,439.67

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.