Home / 3,100.24-4,647.03-1,151.38

Finding the Fourth Proportional to 3,100.24, 4,647.03 and 1,151.38

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Solution

The fourth proportional to 3,100.24, 4,647.03 and 1,151.38 is: 1,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.24 : 4,647.03 = 1,151.38 : x
  2. Step 2: Convert to fraction form
    3,100.24/4,647.03 = 1,151.38/x
  3. Step 3: Cross multiply
    3,100.24x = 4,647.03 × 1,151.38
  4. Step 4: Simplify right side
    3,100.24x = 5,350,497.40
  5. Step 5: Solve for x
    x = 5,350,497.40/3,100.24
  6. Step 6: Final answer
    x = 1,725.83

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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.