Home / 3,780.04-5,669.89-1,147.43

Finding the Fourth Proportional to 3,780.04, 5,669.89 and 1,147.43

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Solution

The fourth proportional to 3,780.04, 5,669.89 and 1,147.43 is: 1,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.04 : 5,669.89 = 1,147.43 : x
  2. Step 2: Convert to fraction form
    3,780.04/5,669.89 = 1,147.43/x
  3. Step 3: Cross multiply
    3,780.04x = 5,669.89 × 1,147.43
  4. Step 4: Simplify right side
    3,780.04x = 6,505,801.88
  5. Step 5: Solve for x
    x = 6,505,801.88/3,780.04
  6. Step 6: Final answer
    x = 1,721.09

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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.