Home / 3,468.40-4,786.38-2,071

Finding the Fourth Proportional to 3,468.40, 4,786.38 and 2,071

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Solution

The fourth proportional to 3,468.40, 4,786.38 and 2,071 is: 2,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.40 : 4,786.38 = 2,071 : x
  2. Step 2: Convert to fraction form
    3,468.40/4,786.38 = 2,071/x
  3. Step 3: Cross multiply
    3,468.40x = 4,786.38 × 2,071
  4. Step 4: Simplify right side
    3,468.40x = 9,912,592.98
  5. Step 5: Solve for x
    x = 9,912,592.98/3,468.40
  6. Step 6: Final answer
    x = 2,857.97

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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.