Home / 3,286.56-4,928.28-1,205.08

Finding the Fourth Proportional to 3,286.56, 4,928.28 and 1,205.08

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Solution

The fourth proportional to 3,286.56, 4,928.28 and 1,205.08 is: 1,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.56 : 4,928.28 = 1,205.08 : x
  2. Step 2: Convert to fraction form
    3,286.56/4,928.28 = 1,205.08/x
  3. Step 3: Cross multiply
    3,286.56x = 4,928.28 × 1,205.08
  4. Step 4: Simplify right side
    3,286.56x = 5,938,971.66
  5. Step 5: Solve for x
    x = 5,938,971.66/3,286.56
  6. Step 6: Final answer
    x = 1,807.05

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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.