Home / 3,322.77-4,983.21-1,131

Finding the Fourth Proportional to 3,322.77, 4,983.21 and 1,131

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Solution

The fourth proportional to 3,322.77, 4,983.21 and 1,131 is: 1,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.77 : 4,983.21 = 1,131 : x
  2. Step 2: Convert to fraction form
    3,322.77/4,983.21 = 1,131/x
  3. Step 3: Cross multiply
    3,322.77x = 4,983.21 × 1,131
  4. Step 4: Simplify right side
    3,322.77x = 5,636,010.51
  5. Step 5: Solve for x
    x = 5,636,010.51/3,322.77
  6. Step 6: Final answer
    x = 1,696.18

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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.