Home / 2,167.14-2,991.99-1,668.83

Finding the Fourth Proportional to 2,167.14, 2,991.99 and 1,668.83

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Solution

The fourth proportional to 2,167.14, 2,991.99 and 1,668.83 is: 2,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.14 : 2,991.99 = 1,668.83 : x
  2. Step 2: Convert to fraction form
    2,167.14/2,991.99 = 1,668.83/x
  3. Step 3: Cross multiply
    2,167.14x = 2,991.99 × 1,668.83
  4. Step 4: Simplify right side
    2,167.14x = 4,993,107.71
  5. Step 5: Solve for x
    x = 4,993,107.71/2,167.14
  6. Step 6: Final answer
    x = 2,304.01

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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.