Home / 2,858.11-3,945.02-1,663.37

Finding the Fourth Proportional to 2,858.11, 3,945.02 and 1,663.37

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Solution

The fourth proportional to 2,858.11, 3,945.02 and 1,663.37 is: 2,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.11 : 3,945.02 = 1,663.37 : x
  2. Step 2: Convert to fraction form
    2,858.11/3,945.02 = 1,663.37/x
  3. Step 3: Cross multiply
    2,858.11x = 3,945.02 × 1,663.37
  4. Step 4: Simplify right side
    2,858.11x = 6,562,027.92
  5. Step 5: Solve for x
    x = 6,562,027.92/2,858.11
  6. Step 6: Final answer
    x = 2,295.93

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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.