Home / 2,859.09-4,286.60-1,102.61

Finding the Fourth Proportional to 2,859.09, 4,286.60 and 1,102.61

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Solution

The fourth proportional to 2,859.09, 4,286.60 and 1,102.61 is: 1,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.09 : 4,286.60 = 1,102.61 : x
  2. Step 2: Convert to fraction form
    2,859.09/4,286.60 = 1,102.61/x
  3. Step 3: Cross multiply
    2,859.09x = 4,286.60 × 1,102.61
  4. Step 4: Simplify right side
    2,859.09x = 4,726,429.35
  5. Step 5: Solve for x
    x = 4,726,429.35/2,859.09
  6. Step 6: Final answer
    x = 1,653.12

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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.