Home / 2,118.36-3,177.26-1,336.04

Finding the Fourth Proportional to 2,118.36, 3,177.26 and 1,336.04

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Solution

The fourth proportional to 2,118.36, 3,177.26 and 1,336.04 is: 2,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.36 : 3,177.26 = 1,336.04 : x
  2. Step 2: Convert to fraction form
    2,118.36/3,177.26 = 1,336.04/x
  3. Step 3: Cross multiply
    2,118.36x = 3,177.26 × 1,336.04
  4. Step 4: Simplify right side
    2,118.36x = 4,244,946.45
  5. Step 5: Solve for x
    x = 4,244,946.45/2,118.36
  6. Step 6: Final answer
    x = 2,003.88

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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.