Home / 3,104.80-4,659.36-1,158.72

Finding the Fourth Proportional to 3,104.80, 4,659.36 and 1,158.72

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Solution

The fourth proportional to 3,104.80, 4,659.36 and 1,158.72 is: 1,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.80 : 4,659.36 = 1,158.72 : x
  2. Step 2: Convert to fraction form
    3,104.80/4,659.36 = 1,158.72/x
  3. Step 3: Cross multiply
    3,104.80x = 4,659.36 × 1,158.72
  4. Step 4: Simplify right side
    3,104.80x = 5,398,893.62
  5. Step 5: Solve for x
    x = 5,398,893.62/3,104.80
  6. Step 6: Final answer
    x = 1,738.89

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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.