Home / 3,979.88-5,973.80-2,941.08

Finding the Fourth Proportional to 3,979.88, 5,973.80 and 2,941.08

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Solution

The fourth proportional to 3,979.88, 5,973.80 and 2,941.08 is: 4,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.88 : 5,973.80 = 2,941.08 : x
  2. Step 2: Convert to fraction form
    3,979.88/5,973.80 = 2,941.08/x
  3. Step 3: Cross multiply
    3,979.88x = 5,973.80 × 2,941.08
  4. Step 4: Simplify right side
    3,979.88x = 17,569,423.70
  5. Step 5: Solve for x
    x = 17,569,423.70/3,979.88
  6. Step 6: Final answer
    x = 4,414.56

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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.