Home / 2,998.11-4,137.53-2,003.79

Finding the Fourth Proportional to 2,998.11, 4,137.53 and 2,003.79

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Solution

The fourth proportional to 2,998.11, 4,137.53 and 2,003.79 is: 2,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.11 : 4,137.53 = 2,003.79 : x
  2. Step 2: Convert to fraction form
    2,998.11/4,137.53 = 2,003.79/x
  3. Step 3: Cross multiply
    2,998.11x = 4,137.53 × 2,003.79
  4. Step 4: Simplify right side
    2,998.11x = 8,290,731.22
  5. Step 5: Solve for x
    x = 8,290,731.22/2,998.11
  6. Step 6: Final answer
    x = 2,765.32

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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.