Home / 1,974.19-2,963.11-1,356.37

Finding the Fourth Proportional to 1,974.19, 2,963.11 and 1,356.37

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Solution

The fourth proportional to 1,974.19, 2,963.11 and 1,356.37 is: 2,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.19 : 2,963.11 = 1,356.37 : x
  2. Step 2: Convert to fraction form
    1,974.19/2,963.11 = 1,356.37/x
  3. Step 3: Cross multiply
    1,974.19x = 2,963.11 × 1,356.37
  4. Step 4: Simplify right side
    1,974.19x = 4,019,073.51
  5. Step 5: Solve for x
    x = 4,019,073.51/1,974.19
  6. Step 6: Final answer
    x = 2,035.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.