Home / 3,166.88-4,372.98-2,379.56

Finding the Fourth Proportional to 3,166.88, 4,372.98 and 2,379.56

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Solution

The fourth proportional to 3,166.88, 4,372.98 and 2,379.56 is: 3,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.88 : 4,372.98 = 2,379.56 : x
  2. Step 2: Convert to fraction form
    3,166.88/4,372.98 = 2,379.56/x
  3. Step 3: Cross multiply
    3,166.88x = 4,372.98 × 2,379.56
  4. Step 4: Simplify right side
    3,166.88x = 10,405,768.29
  5. Step 5: Solve for x
    x = 10,405,768.29/3,166.88
  6. Step 6: Final answer
    x = 3,285.81

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1.5x scale

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.