Home / 2,170.06-2,993.98-1,329.88

Finding the Fourth Proportional to 2,170.06, 2,993.98 and 1,329.88

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Solution

The fourth proportional to 2,170.06, 2,993.98 and 1,329.88 is: 1,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.06 : 2,993.98 = 1,329.88 : x
  2. Step 2: Convert to fraction form
    2,170.06/2,993.98 = 1,329.88/x
  3. Step 3: Cross multiply
    2,170.06x = 2,993.98 × 1,329.88
  4. Step 4: Simplify right side
    2,170.06x = 3,981,634.12
  5. Step 5: Solve for x
    x = 3,981,634.12/2,170.06
  6. Step 6: Final answer
    x = 1,834.80

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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.