Home / 3,791.46-5,234.28-2,618.84

Finding the Fourth Proportional to 3,791.46, 5,234.28 and 2,618.84

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Solution

The fourth proportional to 3,791.46, 5,234.28 and 2,618.84 is: 3,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.46 : 5,234.28 = 2,618.84 : x
  2. Step 2: Convert to fraction form
    3,791.46/5,234.28 = 2,618.84/x
  3. Step 3: Cross multiply
    3,791.46x = 5,234.28 × 2,618.84
  4. Step 4: Simplify right side
    3,791.46x = 13,707,741.84
  5. Step 5: Solve for x
    x = 13,707,741.84/3,791.46
  6. Step 6: Final answer
    x = 3,615.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.