Home / 2,940.26-4,401.86-2,289.02

Finding the Fourth Proportional to 2,940.26, 4,401.86 and 2,289.02

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Solution

The fourth proportional to 2,940.26, 4,401.86 and 2,289.02 is: 3,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.26 : 4,401.86 = 2,289.02 : x
  2. Step 2: Convert to fraction form
    2,940.26/4,401.86 = 2,289.02/x
  3. Step 3: Cross multiply
    2,940.26x = 4,401.86 × 2,289.02
  4. Step 4: Simplify right side
    2,940.26x = 10,075,912.12
  5. Step 5: Solve for x
    x = 10,075,912.12/2,940.26
  6. Step 6: Final answer
    x = 3,426.88

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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.