Home / 3,453.92-4,765.60-1,961.50

Finding the Fourth Proportional to 3,453.92, 4,765.60 and 1,961.50

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Solution

The fourth proportional to 3,453.92, 4,765.60 and 1,961.50 is: 2,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.92 : 4,765.60 = 1,961.50 : x
  2. Step 2: Convert to fraction form
    3,453.92/4,765.60 = 1,961.50/x
  3. Step 3: Cross multiply
    3,453.92x = 4,765.60 × 1,961.50
  4. Step 4: Simplify right side
    3,453.92x = 9,347,724.40
  5. Step 5: Solve for x
    x = 9,347,724.40/3,453.92
  6. Step 6: Final answer
    x = 2,706.41

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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.