Home / 1,979.48-2,732.52-1,193.38

Finding the Fourth Proportional to 1,979.48, 2,732.52 and 1,193.38

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Solution

The fourth proportional to 1,979.48, 2,732.52 and 1,193.38 is: 1,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.48 : 2,732.52 = 1,193.38 : x
  2. Step 2: Convert to fraction form
    1,979.48/2,732.52 = 1,193.38/x
  3. Step 3: Cross multiply
    1,979.48x = 2,732.52 × 1,193.38
  4. Step 4: Simplify right side
    1,979.48x = 3,260,934.72
  5. Step 5: Solve for x
    x = 3,260,934.72/1,979.48
  6. Step 6: Final answer
    x = 1,647.37

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1.5x scale

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.