Home / 3,249.40-4,865.46-1,949.08

Finding the Fourth Proportional to 3,249.40, 4,865.46 and 1,949.08

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Solution

The fourth proportional to 3,249.40, 4,865.46 and 1,949.08 is: 2,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.40 : 4,865.46 = 1,949.08 : x
  2. Step 2: Convert to fraction form
    3,249.40/4,865.46 = 1,949.08/x
  3. Step 3: Cross multiply
    3,249.40x = 4,865.46 × 1,949.08
  4. Step 4: Simplify right side
    3,249.40x = 9,483,170.78
  5. Step 5: Solve for x
    x = 9,483,170.78/3,249.40
  6. Step 6: Final answer
    x = 2,918.44

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1.5x scale

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.