Home / 1,954-2,923.78-1,732.87

Finding the Fourth Proportional to 1,954, 2,923.78 and 1,732.87

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Solution

The fourth proportional to 1,954, 2,923.78 and 1,732.87 is: 2,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954 : 2,923.78 = 1,732.87 : x
  2. Step 2: Convert to fraction form
    1,954/2,923.78 = 1,732.87/x
  3. Step 3: Cross multiply
    1,954x = 2,923.78 × 1,732.87
  4. Step 4: Simplify right side
    1,954x = 5,066,530.65
  5. Step 5: Solve for x
    x = 5,066,530.65/1,954
  6. Step 6: Final answer
    x = 2,592.90

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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.