Home / 3,782.16-5,669.60-2,391.19

Finding the Fourth Proportional to 3,782.16, 5,669.60 and 2,391.19

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Solution

The fourth proportional to 3,782.16, 5,669.60 and 2,391.19 is: 3,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.16 : 5,669.60 = 2,391.19 : x
  2. Step 2: Convert to fraction form
    3,782.16/5,669.60 = 2,391.19/x
  3. Step 3: Cross multiply
    3,782.16x = 5,669.60 × 2,391.19
  4. Step 4: Simplify right side
    3,782.16x = 13,557,064.69
  5. Step 5: Solve for x
    x = 13,557,064.69/3,782.16
  6. Step 6: Final answer
    x = 3,584.48

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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.