Home / 1,668.43-2,504.85-1,116.68

Finding the Fourth Proportional to 1,668.43, 2,504.85 and 1,116.68

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Solution

The fourth proportional to 1,668.43, 2,504.85 and 1,116.68 is: 1,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.43 : 2,504.85 = 1,116.68 : x
  2. Step 2: Convert to fraction form
    1,668.43/2,504.85 = 1,116.68/x
  3. Step 3: Cross multiply
    1,668.43x = 2,504.85 × 1,116.68
  4. Step 4: Simplify right side
    1,668.43x = 2,797,110.31
  5. Step 5: Solve for x
    x = 2,797,110.31/1,668.43
  6. Step 6: Final answer
    x = 1,676.50

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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.