Home / 3,175.23-4,381.90-1,777.98

Finding the Fourth Proportional to 3,175.23, 4,381.90 and 1,777.98

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Solution

The fourth proportional to 3,175.23, 4,381.90 and 1,777.98 is: 2,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.23 : 4,381.90 = 1,777.98 : x
  2. Step 2: Convert to fraction form
    3,175.23/4,381.90 = 1,777.98/x
  3. Step 3: Cross multiply
    3,175.23x = 4,381.90 × 1,777.98
  4. Step 4: Simplify right side
    3,175.23x = 7,790,930.56
  5. Step 5: Solve for x
    x = 7,790,930.56/3,175.23
  6. Step 6: Final answer
    x = 2,453.66

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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.