Home / 2,114.30-3,172.37-881.96

Finding the Fourth Proportional to 2,114.30, 3,172.37 and 881.96

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Solution

The fourth proportional to 2,114.30, 3,172.37 and 881.96 is: 1,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.30 : 3,172.37 = 881.96 : x
  2. Step 2: Convert to fraction form
    2,114.30/3,172.37 = 881.96/x
  3. Step 3: Cross multiply
    2,114.30x = 3,172.37 × 881.96
  4. Step 4: Simplify right side
    2,114.30x = 2,797,883.17
  5. Step 5: Solve for x
    x = 2,797,883.17/2,114.30
  6. Step 6: Final answer
    x = 1,323.31

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