Home / 3,719.34-5,578.65-1,379.34

Finding the Fourth Proportional to 3,719.34, 5,578.65 and 1,379.34

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Solution

The fourth proportional to 3,719.34, 5,578.65 and 1,379.34 is: 2,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.34 : 5,578.65 = 1,379.34 : x
  2. Step 2: Convert to fraction form
    3,719.34/5,578.65 = 1,379.34/x
  3. Step 3: Cross multiply
    3,719.34x = 5,578.65 × 1,379.34
  4. Step 4: Simplify right side
    3,719.34x = 7,694,855.09
  5. Step 5: Solve for x
    x = 7,694,855.09/3,719.34
  6. Step 6: Final answer
    x = 2,068.88

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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.