Home / 3,836.15-5,754.22-1,643.46

Finding the Fourth Proportional to 3,836.15, 5,754.22 and 1,643.46

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Solution

The fourth proportional to 3,836.15, 5,754.22 and 1,643.46 is: 2,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.15 : 5,754.22 = 1,643.46 : x
  2. Step 2: Convert to fraction form
    3,836.15/5,754.22 = 1,643.46/x
  3. Step 3: Cross multiply
    3,836.15x = 5,754.22 × 1,643.46
  4. Step 4: Simplify right side
    3,836.15x = 9,456,801.63
  5. Step 5: Solve for x
    x = 9,456,801.63/3,836.15
  6. Step 6: Final answer
    x = 2,465.18

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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.