Home / 3,157.98-4,355.82-2,682.60

Finding the Fourth Proportional to 3,157.98, 4,355.82 and 2,682.60

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Solution

The fourth proportional to 3,157.98, 4,355.82 and 2,682.60 is: 3,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.98 : 4,355.82 = 2,682.60 : x
  2. Step 2: Convert to fraction form
    3,157.98/4,355.82 = 2,682.60/x
  3. Step 3: Cross multiply
    3,157.98x = 4,355.82 × 2,682.60
  4. Step 4: Simplify right side
    3,157.98x = 11,684,922.73
  5. Step 5: Solve for x
    x = 11,684,922.73/3,157.98
  6. Step 6: Final answer
    x = 3,700.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.