Home / 2,650.31-3,972.63-1,676.69

Finding the Fourth Proportional to 2,650.31, 3,972.63 and 1,676.69

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Solution

The fourth proportional to 2,650.31, 3,972.63 and 1,676.69 is: 2,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.31 : 3,972.63 = 1,676.69 : x
  2. Step 2: Convert to fraction form
    2,650.31/3,972.63 = 1,676.69/x
  3. Step 3: Cross multiply
    2,650.31x = 3,972.63 × 1,676.69
  4. Step 4: Simplify right side
    2,650.31x = 6,660,868.99
  5. Step 5: Solve for x
    x = 6,660,868.99/2,650.31
  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.