Home / 2,943.94-4,062.84-1,947.49

Finding the Fourth Proportional to 2,943.94, 4,062.84 and 1,947.49

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Solution

The fourth proportional to 2,943.94, 4,062.84 and 1,947.49 is: 2,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.94 : 4,062.84 = 1,947.49 : x
  2. Step 2: Convert to fraction form
    2,943.94/4,062.84 = 1,947.49/x
  3. Step 3: Cross multiply
    2,943.94x = 4,062.84 × 1,947.49
  4. Step 4: Simplify right side
    2,943.94x = 7,912,340.27
  5. Step 5: Solve for x
    x = 7,912,340.27/2,943.94
  6. Step 6: Final answer
    x = 2,687.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.