Home / 2,939.88-4,403.61-2,011.08

Finding the Fourth Proportional to 2,939.88, 4,403.61 and 2,011.08

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Solution

The fourth proportional to 2,939.88, 4,403.61 and 2,011.08 is: 3,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.88 : 4,403.61 = 2,011.08 : x
  2. Step 2: Convert to fraction form
    2,939.88/4,403.61 = 2,011.08/x
  3. Step 3: Cross multiply
    2,939.88x = 4,403.61 × 2,011.08
  4. Step 4: Simplify right side
    2,939.88x = 8,856,012.00
  5. Step 5: Solve for x
    x = 8,856,012.00/2,939.88
  6. Step 6: Final answer
    x = 3,012.37

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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.