Home / 3,161.88-4,363.26-1,835.48

Finding the Fourth Proportional to 3,161.88, 4,363.26 and 1,835.48

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Solution

The fourth proportional to 3,161.88, 4,363.26 and 1,835.48 is: 2,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.88 : 4,363.26 = 1,835.48 : x
  2. Step 2: Convert to fraction form
    3,161.88/4,363.26 = 1,835.48/x
  3. Step 3: Cross multiply
    3,161.88x = 4,363.26 × 1,835.48
  4. Step 4: Simplify right side
    3,161.88x = 8,008,676.46
  5. Step 5: Solve for x
    x = 8,008,676.46/3,161.88
  6. Step 6: Final answer
    x = 2,532.88

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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.