Home / 3,086.91-4,629.33-1,237.55

Finding the Fourth Proportional to 3,086.91, 4,629.33 and 1,237.55

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Solution

The fourth proportional to 3,086.91, 4,629.33 and 1,237.55 is: 1,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.91 : 4,629.33 = 1,237.55 : x
  2. Step 2: Convert to fraction form
    3,086.91/4,629.33 = 1,237.55/x
  3. Step 3: Cross multiply
    3,086.91x = 4,629.33 × 1,237.55
  4. Step 4: Simplify right side
    3,086.91x = 5,729,004.19
  5. Step 5: Solve for x
    x = 5,729,004.19/3,086.91
  6. Step 6: Final answer
    x = 1,855.90

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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.