Home / 3,289.68-4,934.83-1,098.56

Finding the Fourth Proportional to 3,289.68, 4,934.83 and 1,098.56

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Solution

The fourth proportional to 3,289.68, 4,934.83 and 1,098.56 is: 1,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.68 : 4,934.83 = 1,098.56 : x
  2. Step 2: Convert to fraction form
    3,289.68/4,934.83 = 1,098.56/x
  3. Step 3: Cross multiply
    3,289.68x = 4,934.83 × 1,098.56
  4. Step 4: Simplify right side
    3,289.68x = 5,421,206.84
  5. Step 5: Solve for x
    x = 5,421,206.84/3,289.68
  6. Step 6: Final answer
    x = 1,647.94

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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.