Home / 2,114.21-3,172.73-799.11

Finding the Fourth Proportional to 2,114.21, 3,172.73 and 799.11

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Solution

The fourth proportional to 2,114.21, 3,172.73 and 799.11 is: 1,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.21 : 3,172.73 = 799.11 : x
  2. Step 2: Convert to fraction form
    2,114.21/3,172.73 = 799.11/x
  3. Step 3: Cross multiply
    2,114.21x = 3,172.73 × 799.11
  4. Step 4: Simplify right side
    2,114.21x = 2,535,360.27
  5. Step 5: Solve for x
    x = 2,535,360.27/2,114.21
  6. Step 6: Final answer
    x = 1,199.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.