Home / 3,272.70-4,909.95-1,326.27

Finding the Fourth Proportional to 3,272.70, 4,909.95 and 1,326.27

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Solution

The fourth proportional to 3,272.70, 4,909.95 and 1,326.27 is: 1,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.70 : 4,909.95 = 1,326.27 : x
  2. Step 2: Convert to fraction form
    3,272.70/4,909.95 = 1,326.27/x
  3. Step 3: Cross multiply
    3,272.70x = 4,909.95 × 1,326.27
  4. Step 4: Simplify right side
    3,272.70x = 6,511,919.39
  5. Step 5: Solve for x
    x = 6,511,919.39/3,272.70
  6. Step 6: Final answer
    x = 1,989.77

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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.