Home / 3,757.31-5,636.33-1,291.80

Finding the Fourth Proportional to 3,757.31, 5,636.33 and 1,291.80

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Solution

The fourth proportional to 3,757.31, 5,636.33 and 1,291.80 is: 1,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.31 : 5,636.33 = 1,291.80 : x
  2. Step 2: Convert to fraction form
    3,757.31/5,636.33 = 1,291.80/x
  3. Step 3: Cross multiply
    3,757.31x = 5,636.33 × 1,291.80
  4. Step 4: Simplify right side
    3,757.31x = 7,281,004.64
  5. Step 5: Solve for x
    x = 7,281,004.64/3,757.31
  6. Step 6: Final answer
    x = 1,937.83

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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.