Home / 3,314.10-4,571.42-1,968.80

Finding the Fourth Proportional to 3,314.10, 4,571.42 and 1,968.80

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Solution

The fourth proportional to 3,314.10, 4,571.42 and 1,968.80 is: 2,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.10 : 4,571.42 = 1,968.80 : x
  2. Step 2: Convert to fraction form
    3,314.10/4,571.42 = 1,968.80/x
  3. Step 3: Cross multiply
    3,314.10x = 4,571.42 × 1,968.80
  4. Step 4: Simplify right side
    3,314.10x = 9,000,211.70
  5. Step 5: Solve for x
    x = 9,000,211.70/3,314.10
  6. Step 6: Final answer
    x = 2,715.73

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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.