Home / 3,165.96-4,369.01-1,749.61

Finding the Fourth Proportional to 3,165.96, 4,369.01 and 1,749.61

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Solution

The fourth proportional to 3,165.96, 4,369.01 and 1,749.61 is: 2,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.96 : 4,369.01 = 1,749.61 : x
  2. Step 2: Convert to fraction form
    3,165.96/4,369.01 = 1,749.61/x
  3. Step 3: Cross multiply
    3,165.96x = 4,369.01 × 1,749.61
  4. Step 4: Simplify right side
    3,165.96x = 7,644,039.55
  5. Step 5: Solve for x
    x = 7,644,039.55/3,165.96
  6. Step 6: Final answer
    x = 2,414.45

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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.