Home / 3,112.56-4,668.03-1,468.80

Finding the Fourth Proportional to 3,112.56, 4,668.03 and 1,468.80

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Solution

The fourth proportional to 3,112.56, 4,668.03 and 1,468.80 is: 2,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.56 : 4,668.03 = 1,468.80 : x
  2. Step 2: Convert to fraction form
    3,112.56/4,668.03 = 1,468.80/x
  3. Step 3: Cross multiply
    3,112.56x = 4,668.03 × 1,468.80
  4. Step 4: Simplify right side
    3,112.56x = 6,856,402.46
  5. Step 5: Solve for x
    x = 6,856,402.46/3,112.56
  6. Step 6: Final answer
    x = 2,202.82

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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.