Home / 3,407.92-5,110.80-1,216.60

Finding the Fourth Proportional to 3,407.92, 5,110.80 and 1,216.60

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Solution

The fourth proportional to 3,407.92, 5,110.80 and 1,216.60 is: 1,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.92 : 5,110.80 = 1,216.60 : x
  2. Step 2: Convert to fraction form
    3,407.92/5,110.80 = 1,216.60/x
  3. Step 3: Cross multiply
    3,407.92x = 5,110.80 × 1,216.60
  4. Step 4: Simplify right side
    3,407.92x = 6,217,799.28
  5. Step 5: Solve for x
    x = 6,217,799.28/3,407.92
  6. Step 6: Final answer
    x = 1,824.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.