Home / 3,747.33-5,619.78-1,772.65

Finding the Fourth Proportional to 3,747.33, 5,619.78 and 1,772.65

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Solution

The fourth proportional to 3,747.33, 5,619.78 and 1,772.65 is: 2,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.33 : 5,619.78 = 1,772.65 : x
  2. Step 2: Convert to fraction form
    3,747.33/5,619.78 = 1,772.65/x
  3. Step 3: Cross multiply
    3,747.33x = 5,619.78 × 1,772.65
  4. Step 4: Simplify right side
    3,747.33x = 9,961,910.04
  5. Step 5: Solve for x
    x = 9,961,910.04/3,747.33
  6. Step 6: Final answer
    x = 2,658.40

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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.