Home / 3,412.28-5,113.46-1,850.96

Finding the Fourth Proportional to 3,412.28, 5,113.46 and 1,850.96

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Solution

The fourth proportional to 3,412.28, 5,113.46 and 1,850.96 is: 2,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.28 : 5,113.46 = 1,850.96 : x
  2. Step 2: Convert to fraction form
    3,412.28/5,113.46 = 1,850.96/x
  3. Step 3: Cross multiply
    3,412.28x = 5,113.46 × 1,850.96
  4. Step 4: Simplify right side
    3,412.28x = 9,464,809.92
  5. Step 5: Solve for x
    x = 9,464,809.92/3,412.28
  6. Step 6: Final answer
    x = 2,773.75

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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.