Home / 3,834.66-5,292.36-2,489.88

Finding the Fourth Proportional to 3,834.66, 5,292.36 and 2,489.88

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Solution

The fourth proportional to 3,834.66, 5,292.36 and 2,489.88 is: 3,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.66 : 5,292.36 = 2,489.88 : x
  2. Step 2: Convert to fraction form
    3,834.66/5,292.36 = 2,489.88/x
  3. Step 3: Cross multiply
    3,834.66x = 5,292.36 × 2,489.88
  4. Step 4: Simplify right side
    3,834.66x = 13,177,341.32
  5. Step 5: Solve for x
    x = 13,177,341.32/3,834.66
  6. Step 6: Final answer
    x = 3,436.38

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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.