Home / 3,996.20-5,986.04-2,347.80

Finding the Fourth Proportional to 3,996.20, 5,986.04 and 2,347.80

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Solution

The fourth proportional to 3,996.20, 5,986.04 and 2,347.80 is: 3,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.20 : 5,986.04 = 2,347.80 : x
  2. Step 2: Convert to fraction form
    3,996.20/5,986.04 = 2,347.80/x
  3. Step 3: Cross multiply
    3,996.20x = 5,986.04 × 2,347.80
  4. Step 4: Simplify right side
    3,996.20x = 14,054,024.71
  5. Step 5: Solve for x
    x = 14,054,024.71/3,996.20
  6. Step 6: Final answer
    x = 3,516.85

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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.