Home / 2,662.20-3,657.30-2,385.99

Finding the Fourth Proportional to 2,662.20, 3,657.30 and 2,385.99

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Solution

The fourth proportional to 2,662.20, 3,657.30 and 2,385.99 is: 3,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.20 : 3,657.30 = 2,385.99 : x
  2. Step 2: Convert to fraction form
    2,662.20/3,657.30 = 2,385.99/x
  3. Step 3: Cross multiply
    2,662.20x = 3,657.30 × 2,385.99
  4. Step 4: Simplify right side
    2,662.20x = 8,726,281.23
  5. Step 5: Solve for x
    x = 8,726,281.23/2,662.20
  6. Step 6: Final answer
    x = 3,277.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.