Home / 1,926.69-2,889.92-539.99

Finding the Fourth Proportional to 1,926.69, 2,889.92 and 539.99

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Solution

The fourth proportional to 1,926.69, 2,889.92 and 539.99 is: 809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.69 : 2,889.92 = 539.99 : x
  2. Step 2: Convert to fraction form
    1,926.69/2,889.92 = 539.99/x
  3. Step 3: Cross multiply
    1,926.69x = 2,889.92 × 539.99
  4. Step 4: Simplify right side
    1,926.69x = 1,560,527.90
  5. Step 5: Solve for x
    x = 1,560,527.90/1,926.69
  6. Step 6: Final answer
    x = 809.95

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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.