Home / 3,161.89-4,741.28-1,846.13

Finding the Fourth Proportional to 3,161.89, 4,741.28 and 1,846.13

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Solution

The fourth proportional to 3,161.89, 4,741.28 and 1,846.13 is: 2,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.89 : 4,741.28 = 1,846.13 : x
  2. Step 2: Convert to fraction form
    3,161.89/4,741.28 = 1,846.13/x
  3. Step 3: Cross multiply
    3,161.89x = 4,741.28 × 1,846.13
  4. Step 4: Simplify right side
    3,161.89x = 8,753,010.02
  5. Step 5: Solve for x
    x = 8,753,010.02/3,161.89
  6. Step 6: Final answer
    x = 2,768.29

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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.