Home / 3,815.73-5,720.13-1,734.63

Finding the Fourth Proportional to 3,815.73, 5,720.13 and 1,734.63

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Solution

The fourth proportional to 3,815.73, 5,720.13 and 1,734.63 is: 2,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.73 : 5,720.13 = 1,734.63 : x
  2. Step 2: Convert to fraction form
    3,815.73/5,720.13 = 1,734.63/x
  3. Step 3: Cross multiply
    3,815.73x = 5,720.13 × 1,734.63
  4. Step 4: Simplify right side
    3,815.73x = 9,922,309.10
  5. Step 5: Solve for x
    x = 9,922,309.10/3,815.73
  6. Step 6: Final answer
    x = 2,600.37

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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.