Home / 3,754.75-5,632.91-1,122.45

Finding the Fourth Proportional to 3,754.75, 5,632.91 and 1,122.45

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Solution

The fourth proportional to 3,754.75, 5,632.91 and 1,122.45 is: 1,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.75 : 5,632.91 = 1,122.45 : x
  2. Step 2: Convert to fraction form
    3,754.75/5,632.91 = 1,122.45/x
  3. Step 3: Cross multiply
    3,754.75x = 5,632.91 × 1,122.45
  4. Step 4: Simplify right side
    3,754.75x = 6,322,654.22
  5. Step 5: Solve for x
    x = 6,322,654.22/3,754.75
  6. Step 6: Final answer
    x = 1,683.91

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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.