Home / 3,286.31-4,928.40-1,094.45

Finding the Fourth Proportional to 3,286.31, 4,928.40 and 1,094.45

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Solution

The fourth proportional to 3,286.31, 4,928.40 and 1,094.45 is: 1,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.31 : 4,928.40 = 1,094.45 : x
  2. Step 2: Convert to fraction form
    3,286.31/4,928.40 = 1,094.45/x
  3. Step 3: Cross multiply
    3,286.31x = 4,928.40 × 1,094.45
  4. Step 4: Simplify right side
    3,286.31x = 5,393,887.38
  5. Step 5: Solve for x
    x = 5,393,887.38/3,286.31
  6. Step 6: Final answer
    x = 1,641.32

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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.