Home / 3,261.75-4,504.94-2,211.99

Finding the Fourth Proportional to 3,261.75, 4,504.94 and 2,211.99

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Solution

The fourth proportional to 3,261.75, 4,504.94 and 2,211.99 is: 3,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.75 : 4,504.94 = 2,211.99 : x
  2. Step 2: Convert to fraction form
    3,261.75/4,504.94 = 2,211.99/x
  3. Step 3: Cross multiply
    3,261.75x = 4,504.94 × 2,211.99
  4. Step 4: Simplify right side
    3,261.75x = 9,964,871.17
  5. Step 5: Solve for x
    x = 9,964,871.17/3,261.75
  6. Step 6: Final answer
    x = 3,055.07

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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.