Home / 2,995.26-4,136.31-2,831.64

Finding the Fourth Proportional to 2,995.26, 4,136.31 and 2,831.64

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Solution

The fourth proportional to 2,995.26, 4,136.31 and 2,831.64 is: 3,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.26 : 4,136.31 = 2,831.64 : x
  2. Step 2: Convert to fraction form
    2,995.26/4,136.31 = 2,831.64/x
  3. Step 3: Cross multiply
    2,995.26x = 4,136.31 × 2,831.64
  4. Step 4: Simplify right side
    2,995.26x = 11,712,540.85
  5. Step 5: Solve for x
    x = 11,712,540.85/2,995.26
  6. Step 6: Final answer
    x = 3,910.36

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1.5x scale

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.