Home / 3,453-4,765.26-1,960.98

Finding the Fourth Proportional to 3,453, 4,765.26 and 1,960.98

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Solution

The fourth proportional to 3,453, 4,765.26 and 1,960.98 is: 2,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453 : 4,765.26 = 1,960.98 : x
  2. Step 2: Convert to fraction form
    3,453/4,765.26 = 1,960.98/x
  3. Step 3: Cross multiply
    3,453x = 4,765.26 × 1,960.98
  4. Step 4: Simplify right side
    3,453x = 9,344,579.55
  5. Step 5: Solve for x
    x = 9,344,579.55/3,453
  6. Step 6: Final answer
    x = 2,706.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.