Home / 2,947.44-4,063.26-2,107.84

Finding the Fourth Proportional to 2,947.44, 4,063.26 and 2,107.84

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Solution

The fourth proportional to 2,947.44, 4,063.26 and 2,107.84 is: 2,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.44 : 4,063.26 = 2,107.84 : x
  2. Step 2: Convert to fraction form
    2,947.44/4,063.26 = 2,107.84/x
  3. Step 3: Cross multiply
    2,947.44x = 4,063.26 × 2,107.84
  4. Step 4: Simplify right side
    2,947.44x = 8,564,701.96
  5. Step 5: Solve for x
    x = 8,564,701.96/2,947.44
  6. Step 6: Final answer
    x = 2,905.81

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1.5x scale

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.