Home / 3,961.49-5,942.34-3,038.72

Finding the Fourth Proportional to 3,961.49, 5,942.34 and 3,038.72

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Solution

The fourth proportional to 3,961.49, 5,942.34 and 3,038.72 is: 4,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.49 : 5,942.34 = 3,038.72 : x
  2. Step 2: Convert to fraction form
    3,961.49/5,942.34 = 3,038.72/x
  3. Step 3: Cross multiply
    3,961.49x = 5,942.34 × 3,038.72
  4. Step 4: Simplify right side
    3,961.49x = 18,057,107.40
  5. Step 5: Solve for x
    x = 18,057,107.40/3,961.49
  6. Step 6: Final answer
    x = 4,558.16

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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.