Home / 4,102.89-5,661.96-2,239.89

Finding the Fourth Proportional to 4,102.89, 5,661.96 and 2,239.89

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Solution

The fourth proportional to 4,102.89, 5,661.96 and 2,239.89 is: 3,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.89 : 5,661.96 = 2,239.89 : x
  2. Step 2: Convert to fraction form
    4,102.89/5,661.96 = 2,239.89/x
  3. Step 3: Cross multiply
    4,102.89x = 5,661.96 × 2,239.89
  4. Step 4: Simplify right side
    4,102.89x = 12,682,167.58
  5. Step 5: Solve for x
    x = 12,682,167.58/4,102.89
  6. Step 6: Final answer
    x = 3,091.03

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1.5x scale

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.