Home / 3,299.43-4,943.70-1,998.21

Finding the Fourth Proportional to 3,299.43, 4,943.70 and 1,998.21

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Solution

The fourth proportional to 3,299.43, 4,943.70 and 1,998.21 is: 2,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.43 : 4,943.70 = 1,998.21 : x
  2. Step 2: Convert to fraction form
    3,299.43/4,943.70 = 1,998.21/x
  3. Step 3: Cross multiply
    3,299.43x = 4,943.70 × 1,998.21
  4. Step 4: Simplify right side
    3,299.43x = 9,878,550.78
  5. Step 5: Solve for x
    x = 9,878,550.78/3,299.43
  6. Step 6: Final answer
    x = 2,994.02

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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.