Home / 2,114.37-3,170.60-881.06

Finding the Fourth Proportional to 2,114.37, 3,170.60 and 881.06

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Solution

The fourth proportional to 2,114.37, 3,170.60 and 881.06 is: 1,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.37 : 3,170.60 = 881.06 : x
  2. Step 2: Convert to fraction form
    2,114.37/3,170.60 = 881.06/x
  3. Step 3: Cross multiply
    2,114.37x = 3,170.60 × 881.06
  4. Step 4: Simplify right side
    2,114.37x = 2,793,468.58
  5. Step 5: Solve for x
    x = 2,793,468.58/2,114.37
  6. Step 6: Final answer
    x = 1,321.18

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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.