Home / 3,175.80-4,764.60-1,327.79

Finding the Fourth Proportional to 3,175.80, 4,764.60 and 1,327.79

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Solution

The fourth proportional to 3,175.80, 4,764.60 and 1,327.79 is: 1,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.80 : 4,764.60 = 1,327.79 : x
  2. Step 2: Convert to fraction form
    3,175.80/4,764.60 = 1,327.79/x
  3. Step 3: Cross multiply
    3,175.80x = 4,764.60 × 1,327.79
  4. Step 4: Simplify right side
    3,175.80x = 6,326,364.41
  5. Step 5: Solve for x
    x = 6,326,364.41/3,175.80
  6. Step 6: Final answer
    x = 1,992.05

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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.