Home / 2,183.25-3,008.70-1,395.93

Finding the Fourth Proportional to 2,183.25, 3,008.70 and 1,395.93

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Solution

The fourth proportional to 2,183.25, 3,008.70 and 1,395.93 is: 1,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.25 : 3,008.70 = 1,395.93 : x
  2. Step 2: Convert to fraction form
    2,183.25/3,008.70 = 1,395.93/x
  3. Step 3: Cross multiply
    2,183.25x = 3,008.70 × 1,395.93
  4. Step 4: Simplify right side
    2,183.25x = 4,199,934.59
  5. Step 5: Solve for x
    x = 4,199,934.59/2,183.25
  6. Step 6: Final answer
    x = 1,923.71

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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.