Home / 3,382.78-4,667.89-2,321.46

Finding the Fourth Proportional to 3,382.78, 4,667.89 and 2,321.46

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Solution

The fourth proportional to 3,382.78, 4,667.89 and 2,321.46 is: 3,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.78 : 4,667.89 = 2,321.46 : x
  2. Step 2: Convert to fraction form
    3,382.78/4,667.89 = 2,321.46/x
  3. Step 3: Cross multiply
    3,382.78x = 4,667.89 × 2,321.46
  4. Step 4: Simplify right side
    3,382.78x = 10,836,319.92
  5. Step 5: Solve for x
    x = 10,836,319.92/3,382.78
  6. Step 6: Final answer
    x = 3,203.38

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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.