Home / 2,594.20-3,891.78-839.66

Finding the Fourth Proportional to 2,594.20, 3,891.78 and 839.66

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Solution

The fourth proportional to 2,594.20, 3,891.78 and 839.66 is: 1,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.20 : 3,891.78 = 839.66 : x
  2. Step 2: Convert to fraction form
    2,594.20/3,891.78 = 839.66/x
  3. Step 3: Cross multiply
    2,594.20x = 3,891.78 × 839.66
  4. Step 4: Simplify right side
    2,594.20x = 3,267,771.99
  5. Step 5: Solve for x
    x = 3,267,771.99/2,594.20
  6. Step 6: Final answer
    x = 1,259.65

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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.