Home / 2,114.06-3,170.39-881.24

Finding the Fourth Proportional to 2,114.06, 3,170.39 and 881.24

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Solution

The fourth proportional to 2,114.06, 3,170.39 and 881.24 is: 1,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.06 : 3,170.39 = 881.24 : x
  2. Step 2: Convert to fraction form
    2,114.06/3,170.39 = 881.24/x
  3. Step 3: Cross multiply
    2,114.06x = 3,170.39 × 881.24
  4. Step 4: Simplify right side
    2,114.06x = 2,793,854.23
  5. Step 5: Solve for x
    x = 2,793,854.23/2,114.06
  6. Step 6: Final answer
    x = 1,321.56

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1.5x scale

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.