Home / 2,929.08-4,396.68-1,698.90

Finding the Fourth Proportional to 2,929.08, 4,396.68 and 1,698.90

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Solution

The fourth proportional to 2,929.08, 4,396.68 and 1,698.90 is: 2,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.08 : 4,396.68 = 1,698.90 : x
  2. Step 2: Convert to fraction form
    2,929.08/4,396.68 = 1,698.90/x
  3. Step 3: Cross multiply
    2,929.08x = 4,396.68 × 1,698.90
  4. Step 4: Simplify right side
    2,929.08x = 7,469,519.65
  5. Step 5: Solve for x
    x = 7,469,519.65/2,929.08
  6. Step 6: Final answer
    x = 2,550.12

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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.