Home / 3,149.51-4,723.85-1,069.43

Finding the Fourth Proportional to 3,149.51, 4,723.85 and 1,069.43

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Solution

The fourth proportional to 3,149.51, 4,723.85 and 1,069.43 is: 1,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.51 : 4,723.85 = 1,069.43 : x
  2. Step 2: Convert to fraction form
    3,149.51/4,723.85 = 1,069.43/x
  3. Step 3: Cross multiply
    3,149.51x = 4,723.85 × 1,069.43
  4. Step 4: Simplify right side
    3,149.51x = 5,051,797.94
  5. Step 5: Solve for x
    x = 5,051,797.94/3,149.51
  6. Step 6: Final answer
    x = 1,604.00

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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.