Home / 3,757.85-5,630.57-1,291.31

Finding the Fourth Proportional to 3,757.85, 5,630.57 and 1,291.31

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Solution

The fourth proportional to 3,757.85, 5,630.57 and 1,291.31 is: 1,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.85 : 5,630.57 = 1,291.31 : x
  2. Step 2: Convert to fraction form
    3,757.85/5,630.57 = 1,291.31/x
  3. Step 3: Cross multiply
    3,757.85x = 5,630.57 × 1,291.31
  4. Step 4: Simplify right side
    3,757.85x = 7,270,776.74
  5. Step 5: Solve for x
    x = 7,270,776.74/3,757.85
  6. Step 6: Final answer
    x = 1,934.83

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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.