Home / 1,979.36-2,732.39-1,182.96

Finding the Fourth Proportional to 1,979.36, 2,732.39 and 1,182.96

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Solution

The fourth proportional to 1,979.36, 2,732.39 and 1,182.96 is: 1,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.36 : 2,732.39 = 1,182.96 : x
  2. Step 2: Convert to fraction form
    1,979.36/2,732.39 = 1,182.96/x
  3. Step 3: Cross multiply
    1,979.36x = 2,732.39 × 1,182.96
  4. Step 4: Simplify right side
    1,979.36x = 3,232,302.16
  5. Step 5: Solve for x
    x = 3,232,302.16/1,979.36
  6. Step 6: Final answer
    x = 1,633.01

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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.