Home / 3,836.62-5,292.75-2,419.66

Finding the Fourth Proportional to 3,836.62, 5,292.75 and 2,419.66

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Solution

The fourth proportional to 3,836.62, 5,292.75 and 2,419.66 is: 3,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.62 : 5,292.75 = 2,419.66 : x
  2. Step 2: Convert to fraction form
    3,836.62/5,292.75 = 2,419.66/x
  3. Step 3: Cross multiply
    3,836.62x = 5,292.75 × 2,419.66
  4. Step 4: Simplify right side
    3,836.62x = 12,806,655.47
  5. Step 5: Solve for x
    x = 12,806,655.47/3,836.62
  6. Step 6: Final answer
    x = 3,338.00

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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.