Home / 1,873.26-2,788.66-1,863.92

Finding the Fourth Proportional to 1,873.26, 2,788.66 and 1,863.92

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Solution

The fourth proportional to 1,873.26, 2,788.66 and 1,863.92 is: 2,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.26 : 2,788.66 = 1,863.92 : x
  2. Step 2: Convert to fraction form
    1,873.26/2,788.66 = 1,863.92/x
  3. Step 3: Cross multiply
    1,873.26x = 2,788.66 × 1,863.92
  4. Step 4: Simplify right side
    1,873.26x = 5,197,839.15
  5. Step 5: Solve for x
    x = 5,197,839.15/1,873.26
  6. Step 6: Final answer
    x = 2,774.76

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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.