Home / 3,450.56-4,765.73-2,276.87

Finding the Fourth Proportional to 3,450.56, 4,765.73 and 2,276.87

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Solution

The fourth proportional to 3,450.56, 4,765.73 and 2,276.87 is: 3,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.56 : 4,765.73 = 2,276.87 : x
  2. Step 2: Convert to fraction form
    3,450.56/4,765.73 = 2,276.87/x
  3. Step 3: Cross multiply
    3,450.56x = 4,765.73 × 2,276.87
  4. Step 4: Simplify right side
    3,450.56x = 10,850,912.45
  5. Step 5: Solve for x
    x = 10,850,912.45/3,450.56
  6. Step 6: Final answer
    x = 3,144.69

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1.5x scale

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.