Home / 3,186.09-4,396.66-1,769.88

Finding the Fourth Proportional to 3,186.09, 4,396.66 and 1,769.88

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Solution

The fourth proportional to 3,186.09, 4,396.66 and 1,769.88 is: 2,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.09 : 4,396.66 = 1,769.88 : x
  2. Step 2: Convert to fraction form
    3,186.09/4,396.66 = 1,769.88/x
  3. Step 3: Cross multiply
    3,186.09x = 4,396.66 × 1,769.88
  4. Step 4: Simplify right side
    3,186.09x = 7,781,550.75
  5. Step 5: Solve for x
    x = 7,781,550.75/3,186.09
  6. Step 6: Final answer
    x = 2,442.35

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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.