Home / 3,926.80-5,889.60-2,549.90

Finding the Fourth Proportional to 3,926.80, 5,889.60 and 2,549.90

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Solution

The fourth proportional to 3,926.80, 5,889.60 and 2,549.90 is: 3,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.80 : 5,889.60 = 2,549.90 : x
  2. Step 2: Convert to fraction form
    3,926.80/5,889.60 = 2,549.90/x
  3. Step 3: Cross multiply
    3,926.80x = 5,889.60 × 2,549.90
  4. Step 4: Simplify right side
    3,926.80x = 15,017,903.56
  5. Step 5: Solve for x
    x = 15,017,903.56/3,926.80
  6. Step 6: Final answer
    x = 3,824.46

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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.