Home / 3,979.98-5,966.08-2,225.84

Finding the Fourth Proportional to 3,979.98, 5,966.08 and 2,225.84

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Solution

The fourth proportional to 3,979.98, 5,966.08 and 2,225.84 is: 3,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.98 : 5,966.08 = 2,225.84 : x
  2. Step 2: Convert to fraction form
    3,979.98/5,966.08 = 2,225.84/x
  3. Step 3: Cross multiply
    3,979.98x = 5,966.08 × 2,225.84
  4. Step 4: Simplify right side
    3,979.98x = 13,279,504.11
  5. Step 5: Solve for x
    x = 13,279,504.11/3,979.98
  6. Step 6: Final answer
    x = 3,336.58

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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.