Home / 2,814.80-4,218.74-1,579.62

Finding the Fourth Proportional to 2,814.80, 4,218.74 and 1,579.62

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Solution

The fourth proportional to 2,814.80, 4,218.74 and 1,579.62 is: 2,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.80 : 4,218.74 = 1,579.62 : x
  2. Step 2: Convert to fraction form
    2,814.80/4,218.74 = 1,579.62/x
  3. Step 3: Cross multiply
    2,814.80x = 4,218.74 × 1,579.62
  4. Step 4: Simplify right side
    2,814.80x = 6,664,010.03
  5. Step 5: Solve for x
    x = 6,664,010.03/2,814.80
  6. Step 6: Final answer
    x = 2,367.49

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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.