Home / 2,940.82-4,062.36-2,285.26

Finding the Fourth Proportional to 2,940.82, 4,062.36 and 2,285.26

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Solution

The fourth proportional to 2,940.82, 4,062.36 and 2,285.26 is: 3,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.82 : 4,062.36 = 2,285.26 : x
  2. Step 2: Convert to fraction form
    2,940.82/4,062.36 = 2,285.26/x
  3. Step 3: Cross multiply
    2,940.82x = 4,062.36 × 2,285.26
  4. Step 4: Simplify right side
    2,940.82x = 9,283,548.81
  5. Step 5: Solve for x
    x = 9,283,548.81/2,940.82
  6. Step 6: Final answer
    x = 3,156.79

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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.