Home / 3,407.52-5,112.21-1,216.47

Finding the Fourth Proportional to 3,407.52, 5,112.21 and 1,216.47

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Solution

The fourth proportional to 3,407.52, 5,112.21 and 1,216.47 is: 1,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.52 : 5,112.21 = 1,216.47 : x
  2. Step 2: Convert to fraction form
    3,407.52/5,112.21 = 1,216.47/x
  3. Step 3: Cross multiply
    3,407.52x = 5,112.21 × 1,216.47
  4. Step 4: Simplify right side
    3,407.52x = 6,218,850.10
  5. Step 5: Solve for x
    x = 6,218,850.10/3,407.52
  6. Step 6: Final answer
    x = 1,825.04

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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.