Home / 3,816.72-5,726.07-1,351.20

Finding the Fourth Proportional to 3,816.72, 5,726.07 and 1,351.20

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Solution

The fourth proportional to 3,816.72, 5,726.07 and 1,351.20 is: 2,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.72 : 5,726.07 = 1,351.20 : x
  2. Step 2: Convert to fraction form
    3,816.72/5,726.07 = 1,351.20/x
  3. Step 3: Cross multiply
    3,816.72x = 5,726.07 × 1,351.20
  4. Step 4: Simplify right side
    3,816.72x = 7,737,065.78
  5. Step 5: Solve for x
    x = 7,737,065.78/3,816.72
  6. Step 6: Final answer
    x = 2,027.15

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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.