Home / 3,412.71-5,107.19-2,095.88

Finding the Fourth Proportional to 3,412.71, 5,107.19 and 2,095.88

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Solution

The fourth proportional to 3,412.71, 5,107.19 and 2,095.88 is: 3,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.71 : 5,107.19 = 2,095.88 : x
  2. Step 2: Convert to fraction form
    3,412.71/5,107.19 = 2,095.88/x
  3. Step 3: Cross multiply
    3,412.71x = 5,107.19 × 2,095.88
  4. Step 4: Simplify right side
    3,412.71x = 10,704,021.36
  5. Step 5: Solve for x
    x = 10,704,021.36/3,412.71
  6. Step 6: Final answer
    x = 3,136.52

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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.