Home / 3,407.11-5,106.92-1,943.03

Finding the Fourth Proportional to 3,407.11, 5,106.92 and 1,943.03

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Solution

The fourth proportional to 3,407.11, 5,106.92 and 1,943.03 is: 2,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.11 : 5,106.92 = 1,943.03 : x
  2. Step 2: Convert to fraction form
    3,407.11/5,106.92 = 1,943.03/x
  3. Step 3: Cross multiply
    3,407.11x = 5,106.92 × 1,943.03
  4. Step 4: Simplify right side
    3,407.11x = 9,922,901.82
  5. Step 5: Solve for x
    x = 9,922,901.82/3,407.11
  6. Step 6: Final answer
    x = 2,912.41

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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.