Home / 3,485.50-5,218.66-2,249.84

Finding the Fourth Proportional to 3,485.50, 5,218.66 and 2,249.84

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Solution

The fourth proportional to 3,485.50, 5,218.66 and 2,249.84 is: 3,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.50 : 5,218.66 = 2,249.84 : x
  2. Step 2: Convert to fraction form
    3,485.50/5,218.66 = 2,249.84/x
  3. Step 3: Cross multiply
    3,485.50x = 5,218.66 × 2,249.84
  4. Step 4: Simplify right side
    3,485.50x = 11,741,150.01
  5. Step 5: Solve for x
    x = 11,741,150.01/3,485.50
  6. Step 6: Final answer
    x = 3,368.57

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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.