Home / 3,532.20-4,874.50-1,939.00

Finding the Fourth Proportional to 3,532.20, 4,874.50 and 1,939.00

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Solution

The fourth proportional to 3,532.20, 4,874.50 and 1,939.00 is: 2,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.20 : 4,874.50 = 1,939.00 : x
  2. Step 2: Convert to fraction form
    3,532.20/4,874.50 = 1,939.00/x
  3. Step 3: Cross multiply
    3,532.20x = 4,874.50 × 1,939.00
  4. Step 4: Simplify right side
    3,532.20x = 9,451,633.62
  5. Step 5: Solve for x
    x = 9,451,633.62/3,532.20
  6. Step 6: Final answer
    x = 2,675.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.