Home / 4,083.59-6,119.71-2,131.90

Finding the Fourth Proportional to 4,083.59, 6,119.71 and 2,131.90

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Solution

The fourth proportional to 4,083.59, 6,119.71 and 2,131.90 is: 3,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.59 : 6,119.71 = 2,131.90 : x
  2. Step 2: Convert to fraction form
    4,083.59/6,119.71 = 2,131.90/x
  3. Step 3: Cross multiply
    4,083.59x = 6,119.71 × 2,131.90
  4. Step 4: Simplify right side
    4,083.59x = 13,046,609.75
  5. Step 5: Solve for x
    x = 13,046,609.75/4,083.59
  6. Step 6: Final answer
    x = 3,194.89

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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.