Home / 2,719.34-4,073.09-1,679.61

Finding the Fourth Proportional to 2,719.34, 4,073.09 and 1,679.61

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Solution

The fourth proportional to 2,719.34, 4,073.09 and 1,679.61 is: 2,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.34 : 4,073.09 = 1,679.61 : x
  2. Step 2: Convert to fraction form
    2,719.34/4,073.09 = 1,679.61/x
  3. Step 3: Cross multiply
    2,719.34x = 4,073.09 × 1,679.61
  4. Step 4: Simplify right side
    2,719.34x = 6,841,185.32
  5. Step 5: Solve for x
    x = 6,841,185.32/2,719.34
  6. Step 6: Final answer
    x = 2,515.75

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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.