Home / 3,089.25-4,633.39-1,239.89

Finding the Fourth Proportional to 3,089.25, 4,633.39 and 1,239.89

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Solution

The fourth proportional to 3,089.25, 4,633.39 and 1,239.89 is: 1,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.25 : 4,633.39 = 1,239.89 : x
  2. Step 2: Convert to fraction form
    3,089.25/4,633.39 = 1,239.89/x
  3. Step 3: Cross multiply
    3,089.25x = 4,633.39 × 1,239.89
  4. Step 4: Simplify right side
    3,089.25x = 5,744,893.93
  5. Step 5: Solve for x
    x = 5,744,893.93/3,089.25
  6. Step 6: Final answer
    x = 1,859.64

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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.