Home / 2,122.93-3,178.44-1,601.29

Finding the Fourth Proportional to 2,122.93, 3,178.44 and 1,601.29

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Solution

The fourth proportional to 2,122.93, 3,178.44 and 1,601.29 is: 2,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.93 : 3,178.44 = 1,601.29 : x
  2. Step 2: Convert to fraction form
    2,122.93/3,178.44 = 1,601.29/x
  3. Step 3: Cross multiply
    2,122.93x = 3,178.44 × 1,601.29
  4. Step 4: Simplify right side
    2,122.93x = 5,089,604.19
  5. Step 5: Solve for x
    x = 5,089,604.19/2,122.93
  6. Step 6: Final answer
    x = 2,397.44

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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.