Home / 3,196.07-4,794.21-1,440.80

Finding the Fourth Proportional to 3,196.07, 4,794.21 and 1,440.80

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Solution

The fourth proportional to 3,196.07, 4,794.21 and 1,440.80 is: 2,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.07 : 4,794.21 = 1,440.80 : x
  2. Step 2: Convert to fraction form
    3,196.07/4,794.21 = 1,440.80/x
  3. Step 3: Cross multiply
    3,196.07x = 4,794.21 × 1,440.80
  4. Step 4: Simplify right side
    3,196.07x = 6,907,473.80
  5. Step 5: Solve for x
    x = 6,907,473.80/3,196.07
  6. Step 6: Final answer
    x = 2,161.24

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1.5x scale

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.