Home / 3,140.94-4,713.03-1,679.97

Finding the Fourth Proportional to 3,140.94, 4,713.03 and 1,679.97

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Solution

The fourth proportional to 3,140.94, 4,713.03 and 1,679.97 is: 2,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.94 : 4,713.03 = 1,679.97 : x
  2. Step 2: Convert to fraction form
    3,140.94/4,713.03 = 1,679.97/x
  3. Step 3: Cross multiply
    3,140.94x = 4,713.03 × 1,679.97
  4. Step 4: Simplify right side
    3,140.94x = 7,917,749.01
  5. Step 5: Solve for x
    x = 7,917,749.01/3,140.94
  6. Step 6: Final answer
    x = 2,520.82

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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.