Home / 3,277.26-4,911.90-1,426.20

Finding the Fourth Proportional to 3,277.26, 4,911.90 and 1,426.20

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Solution

The fourth proportional to 3,277.26, 4,911.90 and 1,426.20 is: 2,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.26 : 4,911.90 = 1,426.20 : x
  2. Step 2: Convert to fraction form
    3,277.26/4,911.90 = 1,426.20/x
  3. Step 3: Cross multiply
    3,277.26x = 4,911.90 × 1,426.20
  4. Step 4: Simplify right side
    3,277.26x = 7,005,351.78
  5. Step 5: Solve for x
    x = 7,005,351.78/3,277.26
  6. Step 6: Final answer
    x = 2,137.56

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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.