Home / 3,614.12-4,988.88-3,108

Finding the Fourth Proportional to 3,614.12, 4,988.88 and 3,108

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Solution

The fourth proportional to 3,614.12, 4,988.88 and 3,108 is: 4,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.12 : 4,988.88 = 3,108 : x
  2. Step 2: Convert to fraction form
    3,614.12/4,988.88 = 3,108/x
  3. Step 3: Cross multiply
    3,614.12x = 4,988.88 × 3,108
  4. Step 4: Simplify right side
    3,614.12x = 15,505,439.04
  5. Step 5: Solve for x
    x = 15,505,439.04/3,614.12
  6. Step 6: Final answer
    x = 4,290.24

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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.