Home / 3,453.36-4,765.86-1,960.96

Finding the Fourth Proportional to 3,453.36, 4,765.86 and 1,960.96

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Solution

The fourth proportional to 3,453.36, 4,765.86 and 1,960.96 is: 2,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.36 : 4,765.86 = 1,960.96 : x
  2. Step 2: Convert to fraction form
    3,453.36/4,765.86 = 1,960.96/x
  3. Step 3: Cross multiply
    3,453.36x = 4,765.86 × 1,960.96
  4. Step 4: Simplify right side
    3,453.36x = 9,345,660.83
  5. Step 5: Solve for x
    x = 9,345,660.83/3,453.36
  6. Step 6: Final answer
    x = 2,706.25

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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.