Home / 2,901.39-4,003.92-1,722.54

Finding the Fourth Proportional to 2,901.39, 4,003.92 and 1,722.54

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Solution

The fourth proportional to 2,901.39, 4,003.92 and 1,722.54 is: 2,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.39 : 4,003.92 = 1,722.54 : x
  2. Step 2: Convert to fraction form
    2,901.39/4,003.92 = 1,722.54/x
  3. Step 3: Cross multiply
    2,901.39x = 4,003.92 × 1,722.54
  4. Step 4: Simplify right side
    2,901.39x = 6,896,912.36
  5. Step 5: Solve for x
    x = 6,896,912.36/2,901.39
  6. Step 6: Final answer
    x = 2,377.11

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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.