Home / 3,809.28-5,710.53-1,343.67

Finding the Fourth Proportional to 3,809.28, 5,710.53 and 1,343.67

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Solution

The fourth proportional to 3,809.28, 5,710.53 and 1,343.67 is: 2,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.28 : 5,710.53 = 1,343.67 : x
  2. Step 2: Convert to fraction form
    3,809.28/5,710.53 = 1,343.67/x
  3. Step 3: Cross multiply
    3,809.28x = 5,710.53 × 1,343.67
  4. Step 4: Simplify right side
    3,809.28x = 7,673,067.85
  5. Step 5: Solve for x
    x = 7,673,067.85/3,809.28
  6. Step 6: Final answer
    x = 2,014.31

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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.