Home / 3,187.09-4,396.96-2,349.79

Finding the Fourth Proportional to 3,187.09, 4,396.96 and 2,349.79

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Solution

The fourth proportional to 3,187.09, 4,396.96 and 2,349.79 is: 3,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.09 : 4,396.96 = 2,349.79 : x
  2. Step 2: Convert to fraction form
    3,187.09/4,396.96 = 2,349.79/x
  3. Step 3: Cross multiply
    3,187.09x = 4,396.96 × 2,349.79
  4. Step 4: Simplify right side
    3,187.09x = 10,331,898.90
  5. Step 5: Solve for x
    x = 10,331,898.90/3,187.09
  6. Step 6: Final answer
    x = 3,241.80

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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.