Home / 3,801.72-5,698.80-2,645.04

Finding the Fourth Proportional to 3,801.72, 5,698.80 and 2,645.04

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Solution

The fourth proportional to 3,801.72, 5,698.80 and 2,645.04 is: 3,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.72 : 5,698.80 = 2,645.04 : x
  2. Step 2: Convert to fraction form
    3,801.72/5,698.80 = 2,645.04/x
  3. Step 3: Cross multiply
    3,801.72x = 5,698.80 × 2,645.04
  4. Step 4: Simplify right side
    3,801.72x = 15,073,553.95
  5. Step 5: Solve for x
    x = 15,073,553.95/3,801.72
  6. Step 6: Final answer
    x = 3,964.93

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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.