Home / 3,208.44-4,427.64-1,811.18

Finding the Fourth Proportional to 3,208.44, 4,427.64 and 1,811.18

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Solution

The fourth proportional to 3,208.44, 4,427.64 and 1,811.18 is: 2,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.44 : 4,427.64 = 1,811.18 : x
  2. Step 2: Convert to fraction form
    3,208.44/4,427.64 = 1,811.18/x
  3. Step 3: Cross multiply
    3,208.44x = 4,427.64 × 1,811.18
  4. Step 4: Simplify right side
    3,208.44x = 8,019,253.02
  5. Step 5: Solve for x
    x = 8,019,253.02/3,208.44
  6. Step 6: Final answer
    x = 2,499.42

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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.