Home / 2,656.26-3,665.79-1,608.42

Finding the Fourth Proportional to 2,656.26, 3,665.79 and 1,608.42

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Solution

The fourth proportional to 2,656.26, 3,665.79 and 1,608.42 is: 2,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.26 : 3,665.79 = 1,608.42 : x
  2. Step 2: Convert to fraction form
    2,656.26/3,665.79 = 1,608.42/x
  3. Step 3: Cross multiply
    2,656.26x = 3,665.79 × 1,608.42
  4. Step 4: Simplify right side
    2,656.26x = 5,896,129.95
  5. Step 5: Solve for x
    x = 5,896,129.95/2,656.26
  6. Step 6: Final answer
    x = 2,219.71

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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.