Home / 3,873.30-5,811.17-1,408.07

Finding the Fourth Proportional to 3,873.30, 5,811.17 and 1,408.07

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Solution

The fourth proportional to 3,873.30, 5,811.17 and 1,408.07 is: 2,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.30 : 5,811.17 = 1,408.07 : x
  2. Step 2: Convert to fraction form
    3,873.30/5,811.17 = 1,408.07/x
  3. Step 3: Cross multiply
    3,873.30x = 5,811.17 × 1,408.07
  4. Step 4: Simplify right side
    3,873.30x = 8,182,498.05
  5. Step 5: Solve for x
    x = 8,182,498.05/3,873.30
  6. Step 6: Final answer
    x = 2,112.54

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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.