Home / 3,661.58-5,485.02-2,199.93

Finding the Fourth Proportional to 3,661.58, 5,485.02 and 2,199.93

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Solution

The fourth proportional to 3,661.58, 5,485.02 and 2,199.93 is: 3,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.58 : 5,485.02 = 2,199.93 : x
  2. Step 2: Convert to fraction form
    3,661.58/5,485.02 = 2,199.93/x
  3. Step 3: Cross multiply
    3,661.58x = 5,485.02 × 2,199.93
  4. Step 4: Simplify right side
    3,661.58x = 12,066,660.05
  5. Step 5: Solve for x
    x = 12,066,660.05/3,661.58
  6. Step 6: Final answer
    x = 3,295.48

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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.