Home / 3,144.09-4,710.67-1,908.90

Finding the Fourth Proportional to 3,144.09, 4,710.67 and 1,908.90

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Solution

The fourth proportional to 3,144.09, 4,710.67 and 1,908.90 is: 2,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.09 : 4,710.67 = 1,908.90 : x
  2. Step 2: Convert to fraction form
    3,144.09/4,710.67 = 1,908.90/x
  3. Step 3: Cross multiply
    3,144.09x = 4,710.67 × 1,908.90
  4. Step 4: Simplify right side
    3,144.09x = 8,992,197.96
  5. Step 5: Solve for x
    x = 8,992,197.96/3,144.09
  6. Step 6: Final answer
    x = 2,860.03

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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.