Home / 2,836.68-3,914.63-1,657.83

Finding the Fourth Proportional to 2,836.68, 3,914.63 and 1,657.83

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Solution

The fourth proportional to 2,836.68, 3,914.63 and 1,657.83 is: 2,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.68 : 3,914.63 = 1,657.83 : x
  2. Step 2: Convert to fraction form
    2,836.68/3,914.63 = 1,657.83/x
  3. Step 3: Cross multiply
    2,836.68x = 3,914.63 × 1,657.83
  4. Step 4: Simplify right side
    2,836.68x = 6,489,782.76
  5. Step 5: Solve for x
    x = 6,489,782.76/2,836.68
  6. Step 6: Final answer
    x = 2,287.81

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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.