Home / 3,616.56-5,426.94-1,668.66

Finding the Fourth Proportional to 3,616.56, 5,426.94 and 1,668.66

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Solution

The fourth proportional to 3,616.56, 5,426.94 and 1,668.66 is: 2,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.56 : 5,426.94 = 1,668.66 : x
  2. Step 2: Convert to fraction form
    3,616.56/5,426.94 = 1,668.66/x
  3. Step 3: Cross multiply
    3,616.56x = 5,426.94 × 1,668.66
  4. Step 4: Simplify right side
    3,616.56x = 9,055,717.70
  5. Step 5: Solve for x
    x = 9,055,717.70/3,616.56
  6. Step 6: Final answer
    x = 2,503.96

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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.