Home / 3,474.24-5,207.70-2,157.98

Finding the Fourth Proportional to 3,474.24, 5,207.70 and 2,157.98

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Solution

The fourth proportional to 3,474.24, 5,207.70 and 2,157.98 is: 3,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.24 : 5,207.70 = 2,157.98 : x
  2. Step 2: Convert to fraction form
    3,474.24/5,207.70 = 2,157.98/x
  3. Step 3: Cross multiply
    3,474.24x = 5,207.70 × 2,157.98
  4. Step 4: Simplify right side
    3,474.24x = 11,238,112.45
  5. Step 5: Solve for x
    x = 11,238,112.45/3,474.24
  6. Step 6: Final answer
    x = 3,234.70

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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.