Home / 2,135.76-3,204.24-1,769.43

Finding the Fourth Proportional to 2,135.76, 3,204.24 and 1,769.43

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Solution

The fourth proportional to 2,135.76, 3,204.24 and 1,769.43 is: 2,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.76 : 3,204.24 = 1,769.43 : x
  2. Step 2: Convert to fraction form
    2,135.76/3,204.24 = 1,769.43/x
  3. Step 3: Cross multiply
    2,135.76x = 3,204.24 × 1,769.43
  4. Step 4: Simplify right side
    2,135.76x = 5,669,678.38
  5. Step 5: Solve for x
    x = 5,669,678.38/2,135.76
  6. Step 6: Final answer
    x = 2,654.64

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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.