Home / 3,361.70-4,638.57-2,102.36

Finding the Fourth Proportional to 3,361.70, 4,638.57 and 2,102.36

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Solution

The fourth proportional to 3,361.70, 4,638.57 and 2,102.36 is: 2,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.70 : 4,638.57 = 2,102.36 : x
  2. Step 2: Convert to fraction form
    3,361.70/4,638.57 = 2,102.36/x
  3. Step 3: Cross multiply
    3,361.70x = 4,638.57 × 2,102.36
  4. Step 4: Simplify right side
    3,361.70x = 9,751,912.95
  5. Step 5: Solve for x
    x = 9,751,912.95/3,361.70
  6. Step 6: Final answer
    x = 2,900.89

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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.