Home / 2,991.19-4,478.25-2,375.77

Finding the Fourth Proportional to 2,991.19, 4,478.25 and 2,375.77

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Solution

The fourth proportional to 2,991.19, 4,478.25 and 2,375.77 is: 3,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.19 : 4,478.25 = 2,375.77 : x
  2. Step 2: Convert to fraction form
    2,991.19/4,478.25 = 2,375.77/x
  3. Step 3: Cross multiply
    2,991.19x = 4,478.25 × 2,375.77
  4. Step 4: Simplify right side
    2,991.19x = 10,639,292.00
  5. Step 5: Solve for x
    x = 10,639,292.00/2,991.19
  6. Step 6: Final answer
    x = 3,556.88

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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.