Home / 3,169.80-4,757.63-1,610.91

Finding the Fourth Proportional to 3,169.80, 4,757.63 and 1,610.91

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Solution

The fourth proportional to 3,169.80, 4,757.63 and 1,610.91 is: 2,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.80 : 4,757.63 = 1,610.91 : x
  2. Step 2: Convert to fraction form
    3,169.80/4,757.63 = 1,610.91/x
  3. Step 3: Cross multiply
    3,169.80x = 4,757.63 × 1,610.91
  4. Step 4: Simplify right side
    3,169.80x = 7,664,105.69
  5. Step 5: Solve for x
    x = 7,664,105.69/3,169.80
  6. Step 6: Final answer
    x = 2,417.85

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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.