Home / 3,276.45-4,906.85-1,886.87

Finding the Fourth Proportional to 3,276.45, 4,906.85 and 1,886.87

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Solution

The fourth proportional to 3,276.45, 4,906.85 and 1,886.87 is: 2,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.45 : 4,906.85 = 1,886.87 : x
  2. Step 2: Convert to fraction form
    3,276.45/4,906.85 = 1,886.87/x
  3. Step 3: Cross multiply
    3,276.45x = 4,906.85 × 1,886.87
  4. Step 4: Simplify right side
    3,276.45x = 9,258,593.01
  5. Step 5: Solve for x
    x = 9,258,593.01/3,276.45
  6. Step 6: Final answer
    x = 2,825.80

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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.