Home / 3,322.86-4,979.61-2,589.18

Finding the Fourth Proportional to 3,322.86, 4,979.61 and 2,589.18

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Solution

The fourth proportional to 3,322.86, 4,979.61 and 2,589.18 is: 3,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.86 : 4,979.61 = 2,589.18 : x
  2. Step 2: Convert to fraction form
    3,322.86/4,979.61 = 2,589.18/x
  3. Step 3: Cross multiply
    3,322.86x = 4,979.61 × 2,589.18
  4. Step 4: Simplify right side
    3,322.86x = 12,893,106.62
  5. Step 5: Solve for x
    x = 12,893,106.62/3,322.86
  6. Step 6: Final answer
    x = 3,880.12

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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.