Home / 3,176.49-4,763.87-1,327.22

Finding the Fourth Proportional to 3,176.49, 4,763.87 and 1,327.22

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Solution

The fourth proportional to 3,176.49, 4,763.87 and 1,327.22 is: 1,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.49 : 4,763.87 = 1,327.22 : x
  2. Step 2: Convert to fraction form
    3,176.49/4,763.87 = 1,327.22/x
  3. Step 3: Cross multiply
    3,176.49x = 4,763.87 × 1,327.22
  4. Step 4: Simplify right side
    3,176.49x = 6,322,676.40
  5. Step 5: Solve for x
    x = 6,322,676.40/3,176.49
  6. Step 6: Final answer
    x = 1,990.46

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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.