Home / 3,546.45-5,321.70-2,451.60

Finding the Fourth Proportional to 3,546.45, 5,321.70 and 2,451.60

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Solution

The fourth proportional to 3,546.45, 5,321.70 and 2,451.60 is: 3,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.45 : 5,321.70 = 2,451.60 : x
  2. Step 2: Convert to fraction form
    3,546.45/5,321.70 = 2,451.60/x
  3. Step 3: Cross multiply
    3,546.45x = 5,321.70 × 2,451.60
  4. Step 4: Simplify right side
    3,546.45x = 13,046,679.72
  5. Step 5: Solve for x
    x = 13,046,679.72/3,546.45
  6. Step 6: Final answer
    x = 3,678.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.