Home / 2,851.92-3,935.32-1,656.54

Finding the Fourth Proportional to 2,851.92, 3,935.32 and 1,656.54

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Solution

The fourth proportional to 2,851.92, 3,935.32 and 1,656.54 is: 2,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.92 : 3,935.32 = 1,656.54 : x
  2. Step 2: Convert to fraction form
    2,851.92/3,935.32 = 1,656.54/x
  3. Step 3: Cross multiply
    2,851.92x = 3,935.32 × 1,656.54
  4. Step 4: Simplify right side
    2,851.92x = 6,519,010.85
  5. Step 5: Solve for x
    x = 6,519,010.85/2,851.92
  6. Step 6: Final answer
    x = 2,285.83

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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.