Home / 2,170.11-2,996.07-1,671.75

Finding the Fourth Proportional to 2,170.11, 2,996.07 and 1,671.75

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Solution

The fourth proportional to 2,170.11, 2,996.07 and 1,671.75 is: 2,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.11 : 2,996.07 = 1,671.75 : x
  2. Step 2: Convert to fraction form
    2,170.11/2,996.07 = 1,671.75/x
  3. Step 3: Cross multiply
    2,170.11x = 2,996.07 × 1,671.75
  4. Step 4: Simplify right side
    2,170.11x = 5,008,680.02
  5. Step 5: Solve for x
    x = 5,008,680.02/2,170.11
  6. Step 6: Final answer
    x = 2,308.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.