Home / 1,859.08-2,788.26-1,273.72

Finding the Fourth Proportional to 1,859.08, 2,788.26 and 1,273.72

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Solution

The fourth proportional to 1,859.08, 2,788.26 and 1,273.72 is: 1,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.08 : 2,788.26 = 1,273.72 : x
  2. Step 2: Convert to fraction form
    1,859.08/2,788.26 = 1,273.72/x
  3. Step 3: Cross multiply
    1,859.08x = 2,788.26 × 1,273.72
  4. Step 4: Simplify right side
    1,859.08x = 3,551,462.53
  5. Step 5: Solve for x
    x = 3,551,462.53/1,859.08
  6. Step 6: Final answer
    x = 1,910.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.