Home / 2,170.45-3,257.84-1,197.01

Finding the Fourth Proportional to 2,170.45, 3,257.84 and 1,197.01

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Solution

The fourth proportional to 2,170.45, 3,257.84 and 1,197.01 is: 1,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.45 : 3,257.84 = 1,197.01 : x
  2. Step 2: Convert to fraction form
    2,170.45/3,257.84 = 1,197.01/x
  3. Step 3: Cross multiply
    2,170.45x = 3,257.84 × 1,197.01
  4. Step 4: Simplify right side
    2,170.45x = 3,899,667.06
  5. Step 5: Solve for x
    x = 3,899,667.06/2,170.45
  6. Step 6: Final answer
    x = 1,796.71

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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.