Home / 2,736.36-4,108.66-2,186.90

Finding the Fourth Proportional to 2,736.36, 4,108.66 and 2,186.90

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Solution

The fourth proportional to 2,736.36, 4,108.66 and 2,186.90 is: 3,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.36 : 4,108.66 = 2,186.90 : x
  2. Step 2: Convert to fraction form
    2,736.36/4,108.66 = 2,186.90/x
  3. Step 3: Cross multiply
    2,736.36x = 4,108.66 × 2,186.90
  4. Step 4: Simplify right side
    2,736.36x = 8,985,228.55
  5. Step 5: Solve for x
    x = 8,985,228.55/2,736.36
  6. Step 6: Final answer
    x = 3,283.64

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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.