Home / 2,923.70-4,036.94-1,930.33

Finding the Fourth Proportional to 2,923.70, 4,036.94 and 1,930.33

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Solution

The fourth proportional to 2,923.70, 4,036.94 and 1,930.33 is: 2,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.70 : 4,036.94 = 1,930.33 : x
  2. Step 2: Convert to fraction form
    2,923.70/4,036.94 = 1,930.33/x
  3. Step 3: Cross multiply
    2,923.70x = 4,036.94 × 1,930.33
  4. Step 4: Simplify right side
    2,923.70x = 7,792,629.02
  5. Step 5: Solve for x
    x = 7,792,629.02/2,923.70
  6. Step 6: Final answer
    x = 2,665.34

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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.