Home / 3,287.67-4,929.08-1,206.58

Finding the Fourth Proportional to 3,287.67, 4,929.08 and 1,206.58

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Solution

The fourth proportional to 3,287.67, 4,929.08 and 1,206.58 is: 1,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.67 : 4,929.08 = 1,206.58 : x
  2. Step 2: Convert to fraction form
    3,287.67/4,929.08 = 1,206.58/x
  3. Step 3: Cross multiply
    3,287.67x = 4,929.08 × 1,206.58
  4. Step 4: Simplify right side
    3,287.67x = 5,947,310.99
  5. Step 5: Solve for x
    x = 5,947,310.99/3,287.67
  6. Step 6: Final answer
    x = 1,808.97

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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.