Home / 3,383.20-4,671.39-3,084.31

Finding the Fourth Proportional to 3,383.20, 4,671.39 and 3,084.31

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Solution

The fourth proportional to 3,383.20, 4,671.39 and 3,084.31 is: 4,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.20 : 4,671.39 = 3,084.31 : x
  2. Step 2: Convert to fraction form
    3,383.20/4,671.39 = 3,084.31/x
  3. Step 3: Cross multiply
    3,383.20x = 4,671.39 × 3,084.31
  4. Step 4: Simplify right side
    3,383.20x = 14,408,014.89
  5. Step 5: Solve for x
    x = 14,408,014.89/3,383.20
  6. Step 6: Final answer
    x = 4,258.69

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Half scale
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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.