Home / 3,874.82-5,347.77-2,481.62

Finding the Fourth Proportional to 3,874.82, 5,347.77 and 2,481.62

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Solution

The fourth proportional to 3,874.82, 5,347.77 and 2,481.62 is: 3,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.82 : 5,347.77 = 2,481.62 : x
  2. Step 2: Convert to fraction form
    3,874.82/5,347.77 = 2,481.62/x
  3. Step 3: Cross multiply
    3,874.82x = 5,347.77 × 2,481.62
  4. Step 4: Simplify right side
    3,874.82x = 13,271,132.99
  5. Step 5: Solve for x
    x = 13,271,132.99/3,874.82
  6. Step 6: Final answer
    x = 3,424.97

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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.