Home / 2,792.84-4,189.40-1,974.75

Finding the Fourth Proportional to 2,792.84, 4,189.40 and 1,974.75

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Solution

The fourth proportional to 2,792.84, 4,189.40 and 1,974.75 is: 2,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.84 : 4,189.40 = 1,974.75 : x
  2. Step 2: Convert to fraction form
    2,792.84/4,189.40 = 1,974.75/x
  3. Step 3: Cross multiply
    2,792.84x = 4,189.40 × 1,974.75
  4. Step 4: Simplify right side
    2,792.84x = 8,273,007.78
  5. Step 5: Solve for x
    x = 8,273,007.78/2,792.84
  6. Step 6: Final answer
    x = 2,962.23

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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.