Home / 3,782.36-5,217.84-2,456.48

Finding the Fourth Proportional to 3,782.36, 5,217.84 and 2,456.48

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Solution

The fourth proportional to 3,782.36, 5,217.84 and 2,456.48 is: 3,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.36 : 5,217.84 = 2,456.48 : x
  2. Step 2: Convert to fraction form
    3,782.36/5,217.84 = 2,456.48/x
  3. Step 3: Cross multiply
    3,782.36x = 5,217.84 × 2,456.48
  4. Step 4: Simplify right side
    3,782.36x = 12,817,519.60
  5. Step 5: Solve for x
    x = 12,817,519.60/3,782.36
  6. Step 6: Final answer
    x = 3,388.76

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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.