Home / 2,746.26-3,788.61-1,908.99

Finding the Fourth Proportional to 2,746.26, 3,788.61 and 1,908.99

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Solution

The fourth proportional to 2,746.26, 3,788.61 and 1,908.99 is: 2,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.26 : 3,788.61 = 1,908.99 : x
  2. Step 2: Convert to fraction form
    2,746.26/3,788.61 = 1,908.99/x
  3. Step 3: Cross multiply
    2,746.26x = 3,788.61 × 1,908.99
  4. Step 4: Simplify right side
    2,746.26x = 7,232,418.60
  5. Step 5: Solve for x
    x = 7,232,418.60/2,746.26
  6. Step 6: Final answer
    x = 2,633.55

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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.