Home / 3,382.95-4,667.66-1,965.80

Finding the Fourth Proportional to 3,382.95, 4,667.66 and 1,965.80

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Solution

The fourth proportional to 3,382.95, 4,667.66 and 1,965.80 is: 2,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.95 : 4,667.66 = 1,965.80 : x
  2. Step 2: Convert to fraction form
    3,382.95/4,667.66 = 1,965.80/x
  3. Step 3: Cross multiply
    3,382.95x = 4,667.66 × 1,965.80
  4. Step 4: Simplify right side
    3,382.95x = 9,175,667.60
  5. Step 5: Solve for x
    x = 9,175,667.60/3,382.95
  6. Step 6: Final answer
    x = 2,712.33

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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.