Home / 3,214.46-4,816.40-1,979.26

Finding the Fourth Proportional to 3,214.46, 4,816.40 and 1,979.26

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Solution

The fourth proportional to 3,214.46, 4,816.40 and 1,979.26 is: 2,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.46 : 4,816.40 = 1,979.26 : x
  2. Step 2: Convert to fraction form
    3,214.46/4,816.40 = 1,979.26/x
  3. Step 3: Cross multiply
    3,214.46x = 4,816.40 × 1,979.26
  4. Step 4: Simplify right side
    3,214.46x = 9,532,907.86
  5. Step 5: Solve for x
    x = 9,532,907.86/3,214.46
  6. Step 6: Final answer
    x = 2,965.63

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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.