Home / 1,305.93-1,961.07-1,249.77

Finding the Fourth Proportional to 1,305.93, 1,961.07 and 1,249.77

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Solution

The fourth proportional to 1,305.93, 1,961.07 and 1,249.77 is: 1,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305.93 : 1,961.07 = 1,249.77 : x
  2. Step 2: Convert to fraction form
    1,305.93/1,961.07 = 1,249.77/x
  3. Step 3: Cross multiply
    1,305.93x = 1,961.07 × 1,249.77
  4. Step 4: Simplify right side
    1,305.93x = 2,450,886.45
  5. Step 5: Solve for x
    x = 2,450,886.45/1,305.93
  6. Step 6: Final answer
    x = 1,876.74

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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.