Home / 3,614.98-4,989.24-2,619.89

Finding the Fourth Proportional to 3,614.98, 4,989.24 and 2,619.89

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Solution

The fourth proportional to 3,614.98, 4,989.24 and 2,619.89 is: 3,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.98 : 4,989.24 = 2,619.89 : x
  2. Step 2: Convert to fraction form
    3,614.98/4,989.24 = 2,619.89/x
  3. Step 3: Cross multiply
    3,614.98x = 4,989.24 × 2,619.89
  4. Step 4: Simplify right side
    3,614.98x = 13,071,246.88
  5. Step 5: Solve for x
    x = 13,071,246.88/3,614.98
  6. Step 6: Final answer
    x = 3,615.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.