Home / 3,986.04-5,971.85-2,228.94

Finding the Fourth Proportional to 3,986.04, 5,971.85 and 2,228.94

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Solution

The fourth proportional to 3,986.04, 5,971.85 and 2,228.94 is: 3,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.04 : 5,971.85 = 2,228.94 : x
  2. Step 2: Convert to fraction form
    3,986.04/5,971.85 = 2,228.94/x
  3. Step 3: Cross multiply
    3,986.04x = 5,971.85 × 2,228.94
  4. Step 4: Simplify right side
    3,986.04x = 13,310,895.34
  5. Step 5: Solve for x
    x = 13,310,895.34/3,986.04
  6. Step 6: Final answer
    x = 3,339.38

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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.