Home / 3,812.18-5,717.25-1,346.68

Finding the Fourth Proportional to 3,812.18, 5,717.25 and 1,346.68

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Solution

The fourth proportional to 3,812.18, 5,717.25 and 1,346.68 is: 2,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.18 : 5,717.25 = 1,346.68 : x
  2. Step 2: Convert to fraction form
    3,812.18/5,717.25 = 1,346.68/x
  3. Step 3: Cross multiply
    3,812.18x = 5,717.25 × 1,346.68
  4. Step 4: Simplify right side
    3,812.18x = 7,699,286.89
  5. Step 5: Solve for x
    x = 7,699,286.89/3,812.18
  6. Step 6: Final answer
    x = 2,019.65

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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.