Home / 1,958.44-2,923.65-1,890.04

Finding the Fourth Proportional to 1,958.44, 2,923.65 and 1,890.04

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Solution

The fourth proportional to 1,958.44, 2,923.65 and 1,890.04 is: 2,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.44 : 2,923.65 = 1,890.04 : x
  2. Step 2: Convert to fraction form
    1,958.44/2,923.65 = 1,890.04/x
  3. Step 3: Cross multiply
    1,958.44x = 2,923.65 × 1,890.04
  4. Step 4: Simplify right side
    1,958.44x = 5,525,815.45
  5. Step 5: Solve for x
    x = 5,525,815.45/1,958.44
  6. Step 6: Final answer
    x = 2,821.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.