Home / 3,633.90-5,002.50-3,260.76

Finding the Fourth Proportional to 3,633.90, 5,002.50 and 3,260.76

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Solution

The fourth proportional to 3,633.90, 5,002.50 and 3,260.76 is: 4,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.90 : 5,002.50 = 3,260.76 : x
  2. Step 2: Convert to fraction form
    3,633.90/5,002.50 = 3,260.76/x
  3. Step 3: Cross multiply
    3,633.90x = 5,002.50 × 3,260.76
  4. Step 4: Simplify right side
    3,633.90x = 16,311,951.90
  5. Step 5: Solve for x
    x = 16,311,951.90/3,633.90
  6. Step 6: Final answer
    x = 4,488.83

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1.5x scale

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.