Home / 2,846.75-3,928.53-1,604.75

Finding the Fourth Proportional to 2,846.75, 3,928.53 and 1,604.75

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Solution

The fourth proportional to 2,846.75, 3,928.53 and 1,604.75 is: 2,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.75 : 3,928.53 = 1,604.75 : x
  2. Step 2: Convert to fraction form
    2,846.75/3,928.53 = 1,604.75/x
  3. Step 3: Cross multiply
    2,846.75x = 3,928.53 × 1,604.75
  4. Step 4: Simplify right side
    2,846.75x = 6,304,308.52
  5. Step 5: Solve for x
    x = 6,304,308.52/2,846.75
  6. Step 6: Final answer
    x = 2,214.56

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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.