Home / 3,175.69-4,760.97-1,328.22

Finding the Fourth Proportional to 3,175.69, 4,760.97 and 1,328.22

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Solution

The fourth proportional to 3,175.69, 4,760.97 and 1,328.22 is: 1,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.69 : 4,760.97 = 1,328.22 : x
  2. Step 2: Convert to fraction form
    3,175.69/4,760.97 = 1,328.22/x
  3. Step 3: Cross multiply
    3,175.69x = 4,760.97 × 1,328.22
  4. Step 4: Simplify right side
    3,175.69x = 6,323,615.57
  5. Step 5: Solve for x
    x = 6,323,615.57/3,175.69
  6. Step 6: Final answer
    x = 1,991.26

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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.