Home / 3,287.10-4,929.21-1,206.44

Finding the Fourth Proportional to 3,287.10, 4,929.21 and 1,206.44

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Solution

The fourth proportional to 3,287.10, 4,929.21 and 1,206.44 is: 1,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.10 : 4,929.21 = 1,206.44 : x
  2. Step 2: Convert to fraction form
    3,287.10/4,929.21 = 1,206.44/x
  3. Step 3: Cross multiply
    3,287.10x = 4,929.21 × 1,206.44
  4. Step 4: Simplify right side
    3,287.10x = 5,946,771.47
  5. Step 5: Solve for x
    x = 5,946,771.47/3,287.10
  6. Step 6: Final answer
    x = 1,809.12

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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.