Home / 3,922.08-5,880.84-2,690.88

Finding the Fourth Proportional to 3,922.08, 5,880.84 and 2,690.88

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Solution

The fourth proportional to 3,922.08, 5,880.84 and 2,690.88 is: 4,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.08 : 5,880.84 = 2,690.88 : x
  2. Step 2: Convert to fraction form
    3,922.08/5,880.84 = 2,690.88/x
  3. Step 3: Cross multiply
    3,922.08x = 5,880.84 × 2,690.88
  4. Step 4: Simplify right side
    3,922.08x = 15,824,634.74
  5. Step 5: Solve for x
    x = 15,824,634.74/3,922.08
  6. Step 6: Final answer
    x = 4,034.76

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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.