Home / 2,634.62-3,635.77-1,439.62

Finding the Fourth Proportional to 2,634.62, 3,635.77 and 1,439.62

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Solution

The fourth proportional to 2,634.62, 3,635.77 and 1,439.62 is: 1,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.62 : 3,635.77 = 1,439.62 : x
  2. Step 2: Convert to fraction form
    2,634.62/3,635.77 = 1,439.62/x
  3. Step 3: Cross multiply
    2,634.62x = 3,635.77 × 1,439.62
  4. Step 4: Simplify right side
    2,634.62x = 5,234,114.52
  5. Step 5: Solve for x
    x = 5,234,114.52/2,634.62
  6. Step 6: Final answer
    x = 1,986.67

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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.