Home / 3,086.18-4,629.26-1,237.28

Finding the Fourth Proportional to 3,086.18, 4,629.26 and 1,237.28

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Solution

The fourth proportional to 3,086.18, 4,629.26 and 1,237.28 is: 1,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.18 : 4,629.26 = 1,237.28 : x
  2. Step 2: Convert to fraction form
    3,086.18/4,629.26 = 1,237.28/x
  3. Step 3: Cross multiply
    3,086.18x = 4,629.26 × 1,237.28
  4. Step 4: Simplify right side
    3,086.18x = 5,727,662.06
  5. Step 5: Solve for x
    x = 5,727,662.06/3,086.18
  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.