Home / 3,976.32-5,968.56-2,656.08

Finding the Fourth Proportional to 3,976.32, 5,968.56 and 2,656.08

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Solution

The fourth proportional to 3,976.32, 5,968.56 and 2,656.08 is: 3,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.32 : 5,968.56 = 2,656.08 : x
  2. Step 2: Convert to fraction form
    3,976.32/5,968.56 = 2,656.08/x
  3. Step 3: Cross multiply
    3,976.32x = 5,968.56 × 2,656.08
  4. Step 4: Simplify right side
    3,976.32x = 15,852,972.84
  5. Step 5: Solve for x
    x = 15,852,972.84/3,976.32
  6. Step 6: Final answer
    x = 3,986.85

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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.