Home / 2,351.23-3,243.94-1,356.37

Finding the Fourth Proportional to 2,351.23, 3,243.94 and 1,356.37

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Solution

The fourth proportional to 2,351.23, 3,243.94 and 1,356.37 is: 1,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.23 : 3,243.94 = 1,356.37 : x
  2. Step 2: Convert to fraction form
    2,351.23/3,243.94 = 1,356.37/x
  3. Step 3: Cross multiply
    2,351.23x = 3,243.94 × 1,356.37
  4. Step 4: Simplify right side
    2,351.23x = 4,399,971.40
  5. Step 5: Solve for x
    x = 4,399,971.40/2,351.23
  6. Step 6: Final answer
    x = 1,871.35

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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.