Home / 2,114.22-3,170.58-880.98

Finding the Fourth Proportional to 2,114.22, 3,170.58 and 880.98

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Solution

The fourth proportional to 2,114.22, 3,170.58 and 880.98 is: 1,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.22 : 3,170.58 = 880.98 : x
  2. Step 2: Convert to fraction form
    2,114.22/3,170.58 = 880.98/x
  3. Step 3: Cross multiply
    2,114.22x = 3,170.58 × 880.98
  4. Step 4: Simplify right side
    2,114.22x = 2,793,217.57
  5. Step 5: Solve for x
    x = 2,793,217.57/2,114.22
  6. Step 6: Final answer
    x = 1,321.16

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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.