Home / 3,176.21-4,381.36-1,995.23

Finding the Fourth Proportional to 3,176.21, 4,381.36 and 1,995.23

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Solution

The fourth proportional to 3,176.21, 4,381.36 and 1,995.23 is: 2,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.21 : 4,381.36 = 1,995.23 : x
  2. Step 2: Convert to fraction form
    3,176.21/4,381.36 = 1,995.23/x
  3. Step 3: Cross multiply
    3,176.21x = 4,381.36 × 1,995.23
  4. Step 4: Simplify right side
    3,176.21x = 8,741,826.88
  5. Step 5: Solve for x
    x = 8,741,826.88/3,176.21
  6. Step 6: Final answer
    x = 2,752.28

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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.