Home / 1,982.32-2,729.37-1,682.94

Finding the Fourth Proportional to 1,982.32, 2,729.37 and 1,682.94

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Solution

The fourth proportional to 1,982.32, 2,729.37 and 1,682.94 is: 2,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.32 : 2,729.37 = 1,682.94 : x
  2. Step 2: Convert to fraction form
    1,982.32/2,729.37 = 1,682.94/x
  3. Step 3: Cross multiply
    1,982.32x = 2,729.37 × 1,682.94
  4. Step 4: Simplify right side
    1,982.32x = 4,593,382.49
  5. Step 5: Solve for x
    x = 4,593,382.49/1,982.32
  6. Step 6: Final answer
    x = 2,317.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.