Home / 3,272.87-4,909.29-1,326.44

Finding the Fourth Proportional to 3,272.87, 4,909.29 and 1,326.44

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Solution

The fourth proportional to 3,272.87, 4,909.29 and 1,326.44 is: 1,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.87 : 4,909.29 = 1,326.44 : x
  2. Step 2: Convert to fraction form
    3,272.87/4,909.29 = 1,326.44/x
  3. Step 3: Cross multiply
    3,272.87x = 4,909.29 × 1,326.44
  4. Step 4: Simplify right side
    3,272.87x = 6,511,878.63
  5. Step 5: Solve for x
    x = 6,511,878.63/3,272.87
  6. Step 6: Final answer
    x = 1,989.65

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1.5x scale

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.