Home / 3,821.82-5,274.14-2,494.74

Finding the Fourth Proportional to 3,821.82, 5,274.14 and 2,494.74

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Solution

The fourth proportional to 3,821.82, 5,274.14 and 2,494.74 is: 3,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.82 : 5,274.14 = 2,494.74 : x
  2. Step 2: Convert to fraction form
    3,821.82/5,274.14 = 2,494.74/x
  3. Step 3: Cross multiply
    3,821.82x = 5,274.14 × 2,494.74
  4. Step 4: Simplify right side
    3,821.82x = 13,157,608.02
  5. Step 5: Solve for x
    x = 13,157,608.02/3,821.82
  6. Step 6: Final answer
    x = 3,442.76

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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.