Home / 3,343.60-5,005.68-2,481.76

Finding the Fourth Proportional to 3,343.60, 5,005.68 and 2,481.76

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Solution

The fourth proportional to 3,343.60, 5,005.68 and 2,481.76 is: 3,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.60 : 5,005.68 = 2,481.76 : x
  2. Step 2: Convert to fraction form
    3,343.60/5,005.68 = 2,481.76/x
  3. Step 3: Cross multiply
    3,343.60x = 5,005.68 × 2,481.76
  4. Step 4: Simplify right side
    3,343.60x = 12,422,896.40
  5. Step 5: Solve for x
    x = 12,422,896.40/3,343.60
  6. Step 6: Final answer
    x = 3,715.43

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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.