Home / 3,914.14-5,871.09-1,317.07

Finding the Fourth Proportional to 3,914.14, 5,871.09 and 1,317.07

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Solution

The fourth proportional to 3,914.14, 5,871.09 and 1,317.07 is: 1,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.14 : 5,871.09 = 1,317.07 : x
  2. Step 2: Convert to fraction form
    3,914.14/5,871.09 = 1,317.07/x
  3. Step 3: Cross multiply
    3,914.14x = 5,871.09 × 1,317.07
  4. Step 4: Simplify right side
    3,914.14x = 7,732,636.51
  5. Step 5: Solve for x
    x = 7,732,636.51/3,914.14
  6. Step 6: Final answer
    x = 1,975.56

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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.