Home / 1,979.51-2,732.54-1,193.94

Finding the Fourth Proportional to 1,979.51, 2,732.54 and 1,193.94

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Solution

The fourth proportional to 1,979.51, 2,732.54 and 1,193.94 is: 1,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.51 : 2,732.54 = 1,193.94 : x
  2. Step 2: Convert to fraction form
    1,979.51/2,732.54 = 1,193.94/x
  3. Step 3: Cross multiply
    1,979.51x = 2,732.54 × 1,193.94
  4. Step 4: Simplify right side
    1,979.51x = 3,262,488.81
  5. Step 5: Solve for x
    x = 3,262,488.81/1,979.51
  6. Step 6: Final answer
    x = 1,648.13

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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.