Home / 3,287.60-4,929.99-1,206.92

Finding the Fourth Proportional to 3,287.60, 4,929.99 and 1,206.92

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Solution

The fourth proportional to 3,287.60, 4,929.99 and 1,206.92 is: 1,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.60 : 4,929.99 = 1,206.92 : x
  2. Step 2: Convert to fraction form
    3,287.60/4,929.99 = 1,206.92/x
  3. Step 3: Cross multiply
    3,287.60x = 4,929.99 × 1,206.92
  4. Step 4: Simplify right side
    3,287.60x = 5,950,103.53
  5. Step 5: Solve for x
    x = 5,950,103.53/3,287.60
  6. Step 6: Final answer
    x = 1,809.86

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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.