Home / 3,169.08-4,749.36-1,318.05

Finding the Fourth Proportional to 3,169.08, 4,749.36 and 1,318.05

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Solution

The fourth proportional to 3,169.08, 4,749.36 and 1,318.05 is: 1,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.08 : 4,749.36 = 1,318.05 : x
  2. Step 2: Convert to fraction form
    3,169.08/4,749.36 = 1,318.05/x
  3. Step 3: Cross multiply
    3,169.08x = 4,749.36 × 1,318.05
  4. Step 4: Simplify right side
    3,169.08x = 6,259,893.95
  5. Step 5: Solve for x
    x = 6,259,893.95/3,169.08
  6. Step 6: Final answer
    x = 1,975.30

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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.