Home / 2,852.62-3,935.28-1,857.54

Finding the Fourth Proportional to 2,852.62, 3,935.28 and 1,857.54

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Solution

The fourth proportional to 2,852.62, 3,935.28 and 1,857.54 is: 2,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.62 : 3,935.28 = 1,857.54 : x
  2. Step 2: Convert to fraction form
    2,852.62/3,935.28 = 1,857.54/x
  3. Step 3: Cross multiply
    2,852.62x = 3,935.28 × 1,857.54
  4. Step 4: Simplify right side
    2,852.62x = 7,309,940.01
  5. Step 5: Solve for x
    x = 7,309,940.01/2,852.62
  6. Step 6: Final answer
    x = 2,562.54

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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.