Home / 3,979.73-5,970.46-1,206.62

Finding the Fourth Proportional to 3,979.73, 5,970.46 and 1,206.62

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Solution

The fourth proportional to 3,979.73, 5,970.46 and 1,206.62 is: 1,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.73 : 5,970.46 = 1,206.62 : x
  2. Step 2: Convert to fraction form
    3,979.73/5,970.46 = 1,206.62/x
  3. Step 3: Cross multiply
    3,979.73x = 5,970.46 × 1,206.62
  4. Step 4: Simplify right side
    3,979.73x = 7,204,068.23
  5. Step 5: Solve for x
    x = 7,204,068.23/3,979.73
  6. Step 6: Final answer
    x = 1,810.19

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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.