Home / 3,269.44-4,512.80-1,873.12

Finding the Fourth Proportional to 3,269.44, 4,512.80 and 1,873.12

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Solution

The fourth proportional to 3,269.44, 4,512.80 and 1,873.12 is: 2,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.44 : 4,512.80 = 1,873.12 : x
  2. Step 2: Convert to fraction form
    3,269.44/4,512.80 = 1,873.12/x
  3. Step 3: Cross multiply
    3,269.44x = 4,512.80 × 1,873.12
  4. Step 4: Simplify right side
    3,269.44x = 8,453,015.94
  5. Step 5: Solve for x
    x = 8,453,015.94/3,269.44
  6. Step 6: Final answer
    x = 2,585.46

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1.5x scale

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.