Home / 2,650.32-3,972.62-1,676.70

Finding the Fourth Proportional to 2,650.32, 3,972.62 and 1,676.70

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Solution

The fourth proportional to 2,650.32, 3,972.62 and 1,676.70 is: 2,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.32 : 3,972.62 = 1,676.70 : x
  2. Step 2: Convert to fraction form
    2,650.32/3,972.62 = 1,676.70/x
  3. Step 3: Cross multiply
    2,650.32x = 3,972.62 × 1,676.70
  4. Step 4: Simplify right side
    2,650.32x = 6,660,891.95
  5. Step 5: Solve for x
    x = 6,660,891.95/2,650.32
  6. Step 6: Final answer
    x = 2,513.24

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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.