Home / 1,834.20-2,727.92-1,788.06

Finding the Fourth Proportional to 1,834.20, 2,727.92 and 1,788.06

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Solution

The fourth proportional to 1,834.20, 2,727.92 and 1,788.06 is: 2,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.20 : 2,727.92 = 1,788.06 : x
  2. Step 2: Convert to fraction form
    1,834.20/2,727.92 = 1,788.06/x
  3. Step 3: Cross multiply
    1,834.20x = 2,727.92 × 1,788.06
  4. Step 4: Simplify right side
    1,834.20x = 4,877,675.69
  5. Step 5: Solve for x
    x = 4,877,675.69/1,834.20
  6. Step 6: Final answer
    x = 2,659.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.