Home / 3,846.82-5,309.48-2,519.76

Finding the Fourth Proportional to 3,846.82, 5,309.48 and 2,519.76

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Solution

The fourth proportional to 3,846.82, 5,309.48 and 2,519.76 is: 3,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.82 : 5,309.48 = 2,519.76 : x
  2. Step 2: Convert to fraction form
    3,846.82/5,309.48 = 2,519.76/x
  3. Step 3: Cross multiply
    3,846.82x = 5,309.48 × 2,519.76
  4. Step 4: Simplify right side
    3,846.82x = 13,378,615.32
  5. Step 5: Solve for x
    x = 13,378,615.32/3,846.82
  6. Step 6: Final answer
    x = 3,477.84

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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.