Home / 2,451.86-3,383.97-1,790.90

Finding the Fourth Proportional to 2,451.86, 3,383.97 and 1,790.90

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Solution

The fourth proportional to 2,451.86, 3,383.97 and 1,790.90 is: 2,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.86 : 3,383.97 = 1,790.90 : x
  2. Step 2: Convert to fraction form
    2,451.86/3,383.97 = 1,790.90/x
  3. Step 3: Cross multiply
    2,451.86x = 3,383.97 × 1,790.90
  4. Step 4: Simplify right side
    2,451.86x = 6,060,351.87
  5. Step 5: Solve for x
    x = 6,060,351.87/2,451.86
  6. Step 6: Final answer
    x = 2,471.74

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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.