Home / 2,979.09-4,465.94-1,246.77

Finding the Fourth Proportional to 2,979.09, 4,465.94 and 1,246.77

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Solution

The fourth proportional to 2,979.09, 4,465.94 and 1,246.77 is: 1,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.09 : 4,465.94 = 1,246.77 : x
  2. Step 2: Convert to fraction form
    2,979.09/4,465.94 = 1,246.77/x
  3. Step 3: Cross multiply
    2,979.09x = 4,465.94 × 1,246.77
  4. Step 4: Simplify right side
    2,979.09x = 5,567,993.78
  5. Step 5: Solve for x
    x = 5,567,993.78/2,979.09
  6. Step 6: Final answer
    x = 1,869.03

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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.