Home / 3,175.26-4,381.62-1,777.74

Finding the Fourth Proportional to 3,175.26, 4,381.62 and 1,777.74

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Solution

The fourth proportional to 3,175.26, 4,381.62 and 1,777.74 is: 2,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.26 : 4,381.62 = 1,777.74 : x
  2. Step 2: Convert to fraction form
    3,175.26/4,381.62 = 1,777.74/x
  3. Step 3: Cross multiply
    3,175.26x = 4,381.62 × 1,777.74
  4. Step 4: Simplify right side
    3,175.26x = 7,789,381.14
  5. Step 5: Solve for x
    x = 7,789,381.14/3,175.26
  6. Step 6: Final answer
    x = 2,453.15

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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.