Home / 2,451.42-3,676.95-1,217.88

Finding the Fourth Proportional to 2,451.42, 3,676.95 and 1,217.88

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Solution

The fourth proportional to 2,451.42, 3,676.95 and 1,217.88 is: 1,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.42 : 3,676.95 = 1,217.88 : x
  2. Step 2: Convert to fraction form
    2,451.42/3,676.95 = 1,217.88/x
  3. Step 3: Cross multiply
    2,451.42x = 3,676.95 × 1,217.88
  4. Step 4: Simplify right side
    2,451.42x = 4,478,083.87
  5. Step 5: Solve for x
    x = 4,478,083.87/2,451.42
  6. Step 6: Final answer
    x = 1,826.73

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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.