Home / 3,289.91-4,929.38-2,313.95

Finding the Fourth Proportional to 3,289.91, 4,929.38 and 2,313.95

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Solution

The fourth proportional to 3,289.91, 4,929.38 and 2,313.95 is: 3,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.91 : 4,929.38 = 2,313.95 : x
  2. Step 2: Convert to fraction form
    3,289.91/4,929.38 = 2,313.95/x
  3. Step 3: Cross multiply
    3,289.91x = 4,929.38 × 2,313.95
  4. Step 4: Simplify right side
    3,289.91x = 11,406,311.31
  5. Step 5: Solve for x
    x = 11,406,311.31/3,289.91
  6. Step 6: Final answer
    x = 3,467.06

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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.