Home / 4,271.48-6,404.94-1,961

Finding the Fourth Proportional to 4,271.48, 6,404.94 and 1,961

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Solution

The fourth proportional to 4,271.48, 6,404.94 and 1,961 is: 2,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.48 : 6,404.94 = 1,961 : x
  2. Step 2: Convert to fraction form
    4,271.48/6,404.94 = 1,961/x
  3. Step 3: Cross multiply
    4,271.48x = 6,404.94 × 1,961
  4. Step 4: Simplify right side
    4,271.48x = 12,560,087.34
  5. Step 5: Solve for x
    x = 12,560,087.34/4,271.48
  6. Step 6: Final answer
    x = 2,940.45

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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.