Home / 3,212.24-4,817.64-1,131.62

Finding the Fourth Proportional to 3,212.24, 4,817.64 and 1,131.62

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Solution

The fourth proportional to 3,212.24, 4,817.64 and 1,131.62 is: 1,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.24 : 4,817.64 = 1,131.62 : x
  2. Step 2: Convert to fraction form
    3,212.24/4,817.64 = 1,131.62/x
  3. Step 3: Cross multiply
    3,212.24x = 4,817.64 × 1,131.62
  4. Step 4: Simplify right side
    3,212.24x = 5,451,737.78
  5. Step 5: Solve for x
    x = 5,451,737.78/3,212.24
  6. Step 6: Final answer
    x = 1,697.18

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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.