Home / 2,939.99-4,412.11-1,091.36

Finding the Fourth Proportional to 2,939.99, 4,412.11 and 1,091.36

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Solution

The fourth proportional to 2,939.99, 4,412.11 and 1,091.36 is: 1,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.99 : 4,412.11 = 1,091.36 : x
  2. Step 2: Convert to fraction form
    2,939.99/4,412.11 = 1,091.36/x
  3. Step 3: Cross multiply
    2,939.99x = 4,412.11 × 1,091.36
  4. Step 4: Simplify right side
    2,939.99x = 4,815,208.67
  5. Step 5: Solve for x
    x = 4,815,208.67/2,939.99
  6. Step 6: Final answer
    x = 1,637.83

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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.