Home / 3,151.14-4,723.64-1,175.34

Finding the Fourth Proportional to 3,151.14, 4,723.64 and 1,175.34

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Solution

The fourth proportional to 3,151.14, 4,723.64 and 1,175.34 is: 1,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.14 : 4,723.64 = 1,175.34 : x
  2. Step 2: Convert to fraction form
    3,151.14/4,723.64 = 1,175.34/x
  3. Step 3: Cross multiply
    3,151.14x = 4,723.64 × 1,175.34
  4. Step 4: Simplify right side
    3,151.14x = 5,551,883.04
  5. Step 5: Solve for x
    x = 5,551,883.04/3,151.14
  6. Step 6: Final answer
    x = 1,761.86

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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.