Home / 3,322.45-4,983.68-1,131

Finding the Fourth Proportional to 3,322.45, 4,983.68 and 1,131

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Solution

The fourth proportional to 3,322.45, 4,983.68 and 1,131 is: 1,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.45 : 4,983.68 = 1,131 : x
  2. Step 2: Convert to fraction form
    3,322.45/4,983.68 = 1,131/x
  3. Step 3: Cross multiply
    3,322.45x = 4,983.68 × 1,131
  4. Step 4: Simplify right side
    3,322.45x = 5,636,542.08
  5. Step 5: Solve for x
    x = 5,636,542.08/3,322.45
  6. Step 6: Final answer
    x = 1,696.50

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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.