Home / 2,830.89-3,906.63-1,652.73

Finding the Fourth Proportional to 2,830.89, 3,906.63 and 1,652.73

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Solution

The fourth proportional to 2,830.89, 3,906.63 and 1,652.73 is: 2,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.89 : 3,906.63 = 1,652.73 : x
  2. Step 2: Convert to fraction form
    2,830.89/3,906.63 = 1,652.73/x
  3. Step 3: Cross multiply
    2,830.89x = 3,906.63 × 1,652.73
  4. Step 4: Simplify right side
    2,830.89x = 6,456,604.60
  5. Step 5: Solve for x
    x = 6,456,604.60/2,830.89
  6. Step 6: Final answer
    x = 2,280.77

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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.