Home / 3,161.93-4,741.28-2,005.25

Finding the Fourth Proportional to 3,161.93, 4,741.28 and 2,005.25

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Solution

The fourth proportional to 3,161.93, 4,741.28 and 2,005.25 is: 3,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.93 : 4,741.28 = 2,005.25 : x
  2. Step 2: Convert to fraction form
    3,161.93/4,741.28 = 2,005.25/x
  3. Step 3: Cross multiply
    3,161.93x = 4,741.28 × 2,005.25
  4. Step 4: Simplify right side
    3,161.93x = 9,507,441.69
  5. Step 5: Solve for x
    x = 9,507,441.69/3,161.93
  6. Step 6: Final answer
    x = 3,006.85

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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.