Home / 3,361.01-4,638.20-1,868.99

Finding the Fourth Proportional to 3,361.01, 4,638.20 and 1,868.99

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Solution

The fourth proportional to 3,361.01, 4,638.20 and 1,868.99 is: 2,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.01 : 4,638.20 = 1,868.99 : x
  2. Step 2: Convert to fraction form
    3,361.01/4,638.20 = 1,868.99/x
  3. Step 3: Cross multiply
    3,361.01x = 4,638.20 × 1,868.99
  4. Step 4: Simplify right side
    3,361.01x = 8,668,716.88
  5. Step 5: Solve for x
    x = 8,668,716.88/3,361.01
  6. Step 6: Final answer
    x = 2,579.20

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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.