Home / 3,243.05-4,473.69-1,984.73

Finding the Fourth Proportional to 3,243.05, 4,473.69 and 1,984.73

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Solution

The fourth proportional to 3,243.05, 4,473.69 and 1,984.73 is: 2,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.05 : 4,473.69 = 1,984.73 : x
  2. Step 2: Convert to fraction form
    3,243.05/4,473.69 = 1,984.73/x
  3. Step 3: Cross multiply
    3,243.05x = 4,473.69 × 1,984.73
  4. Step 4: Simplify right side
    3,243.05x = 8,879,066.75
  5. Step 5: Solve for x
    x = 8,879,066.75/3,243.05
  6. Step 6: Final answer
    x = 2,737.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.