Home / 3,986.89-5,976.47-2,232.74

Finding the Fourth Proportional to 3,986.89, 5,976.47 and 2,232.74

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Solution

The fourth proportional to 3,986.89, 5,976.47 and 2,232.74 is: 3,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.89 : 5,976.47 = 2,232.74 : x
  2. Step 2: Convert to fraction form
    3,986.89/5,976.47 = 2,232.74/x
  3. Step 3: Cross multiply
    3,986.89x = 5,976.47 × 2,232.74
  4. Step 4: Simplify right side
    3,986.89x = 13,343,924.15
  5. Step 5: Solve for x
    x = 13,343,924.15/3,986.89
  6. Step 6: Final answer
    x = 3,346.95

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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.