Home / 3,247-4,868.32-1,604.60

Finding the Fourth Proportional to 3,247, 4,868.32 and 1,604.60

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Solution

The fourth proportional to 3,247, 4,868.32 and 1,604.60 is: 2,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247 : 4,868.32 = 1,604.60 : x
  2. Step 2: Convert to fraction form
    3,247/4,868.32 = 1,604.60/x
  3. Step 3: Cross multiply
    3,247x = 4,868.32 × 1,604.60
  4. Step 4: Simplify right side
    3,247x = 7,811,706.27
  5. Step 5: Solve for x
    x = 7,811,706.27/3,247
  6. Step 6: Final answer
    x = 2,405.82

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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.