Home / 3,979.24-5,970.96-2,892.60

Finding the Fourth Proportional to 3,979.24, 5,970.96 and 2,892.60

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Solution

The fourth proportional to 3,979.24, 5,970.96 and 2,892.60 is: 4,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.24 : 5,970.96 = 2,892.60 : x
  2. Step 2: Convert to fraction form
    3,979.24/5,970.96 = 2,892.60/x
  3. Step 3: Cross multiply
    3,979.24x = 5,970.96 × 2,892.60
  4. Step 4: Simplify right side
    3,979.24x = 17,271,598.90
  5. Step 5: Solve for x
    x = 17,271,598.90/3,979.24
  6. Step 6: Final answer
    x = 4,340.43

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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.