Home / 3,491.38-5,238.69-2,192.14

Finding the Fourth Proportional to 3,491.38, 5,238.69 and 2,192.14

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Solution

The fourth proportional to 3,491.38, 5,238.69 and 2,192.14 is: 3,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.38 : 5,238.69 = 2,192.14 : x
  2. Step 2: Convert to fraction form
    3,491.38/5,238.69 = 2,192.14/x
  3. Step 3: Cross multiply
    3,491.38x = 5,238.69 × 2,192.14
  4. Step 4: Simplify right side
    3,491.38x = 11,483,941.90
  5. Step 5: Solve for x
    x = 11,483,941.90/3,491.38
  6. Step 6: Final answer
    x = 3,289.23

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1.5x scale

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.