Home / 2,836.26-3,914.66-1,657.51

Finding the Fourth Proportional to 2,836.26, 3,914.66 and 1,657.51

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Solution

The fourth proportional to 2,836.26, 3,914.66 and 1,657.51 is: 2,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.26 : 3,914.66 = 1,657.51 : x
  2. Step 2: Convert to fraction form
    2,836.26/3,914.66 = 1,657.51/x
  3. Step 3: Cross multiply
    2,836.26x = 3,914.66 × 1,657.51
  4. Step 4: Simplify right side
    2,836.26x = 6,488,582.45
  5. Step 5: Solve for x
    x = 6,488,582.45/2,836.26
  6. Step 6: Final answer
    x = 2,287.72

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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.