Home / 2,846.94-3,928.68-1,901.70

Finding the Fourth Proportional to 2,846.94, 3,928.68 and 1,901.70

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Solution

The fourth proportional to 2,846.94, 3,928.68 and 1,901.70 is: 2,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.94 : 3,928.68 = 1,901.70 : x
  2. Step 2: Convert to fraction form
    2,846.94/3,928.68 = 1,901.70/x
  3. Step 3: Cross multiply
    2,846.94x = 3,928.68 × 1,901.70
  4. Step 4: Simplify right side
    2,846.94x = 7,471,170.76
  5. Step 5: Solve for x
    x = 7,471,170.76/2,846.94
  6. Step 6: Final answer
    x = 2,624.28

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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.