Home / 3,450.87-4,764.03-2,771.28

Finding the Fourth Proportional to 3,450.87, 4,764.03 and 2,771.28

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Solution

The fourth proportional to 3,450.87, 4,764.03 and 2,771.28 is: 3,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.87 : 4,764.03 = 2,771.28 : x
  2. Step 2: Convert to fraction form
    3,450.87/4,764.03 = 2,771.28/x
  3. Step 3: Cross multiply
    3,450.87x = 4,764.03 × 2,771.28
  4. Step 4: Simplify right side
    3,450.87x = 13,202,461.06
  5. Step 5: Solve for x
    x = 13,202,461.06/3,450.87
  6. Step 6: Final answer
    x = 3,825.84

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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.