Home / 4,091.31-6,131.50-2,239.65

Finding the Fourth Proportional to 4,091.31, 6,131.50 and 2,239.65

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Solution

The fourth proportional to 4,091.31, 6,131.50 and 2,239.65 is: 3,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.31 : 6,131.50 = 2,239.65 : x
  2. Step 2: Convert to fraction form
    4,091.31/6,131.50 = 2,239.65/x
  3. Step 3: Cross multiply
    4,091.31x = 6,131.50 × 2,239.65
  4. Step 4: Simplify right side
    4,091.31x = 13,732,408.38
  5. Step 5: Solve for x
    x = 13,732,408.38/4,091.31
  6. Step 6: Final answer
    x = 3,356.48

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1.5x scale

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.