Home / 3,438.44-5,157.65-1,976.66

Finding the Fourth Proportional to 3,438.44, 5,157.65 and 1,976.66

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Solution

The fourth proportional to 3,438.44, 5,157.65 and 1,976.66 is: 2,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.44 : 5,157.65 = 1,976.66 : x
  2. Step 2: Convert to fraction form
    3,438.44/5,157.65 = 1,976.66/x
  3. Step 3: Cross multiply
    3,438.44x = 5,157.65 × 1,976.66
  4. Step 4: Simplify right side
    3,438.44x = 10,194,884.78
  5. Step 5: Solve for x
    x = 10,194,884.78/3,438.44
  6. Step 6: Final answer
    x = 2,964.98

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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.