Home / 3,412.89-5,119.34-2,314.53

Finding the Fourth Proportional to 3,412.89, 5,119.34 and 2,314.53

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Solution

The fourth proportional to 3,412.89, 5,119.34 and 2,314.53 is: 3,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.89 : 5,119.34 = 2,314.53 : x
  2. Step 2: Convert to fraction form
    3,412.89/5,119.34 = 2,314.53/x
  3. Step 3: Cross multiply
    3,412.89x = 5,119.34 × 2,314.53
  4. Step 4: Simplify right side
    3,412.89x = 11,848,866.01
  5. Step 5: Solve for x
    x = 11,848,866.01/3,412.89
  6. Step 6: Final answer
    x = 3,471.80

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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.