Home / 3,106.27-4,647.66-2,939.41

Finding the Fourth Proportional to 3,106.27, 4,647.66 and 2,939.41

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Solution

The fourth proportional to 3,106.27, 4,647.66 and 2,939.41 is: 4,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.27 : 4,647.66 = 2,939.41 : x
  2. Step 2: Convert to fraction form
    3,106.27/4,647.66 = 2,939.41/x
  3. Step 3: Cross multiply
    3,106.27x = 4,647.66 × 2,939.41
  4. Step 4: Simplify right side
    3,106.27x = 13,661,378.28
  5. Step 5: Solve for x
    x = 13,661,378.28/3,106.27
  6. Step 6: Final answer
    x = 4,398.00

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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.