Home / 3,544.86-5,317.30-1,351.80

Finding the Fourth Proportional to 3,544.86, 5,317.30 and 1,351.80

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Solution

The fourth proportional to 3,544.86, 5,317.30 and 1,351.80 is: 2,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.86 : 5,317.30 = 1,351.80 : x
  2. Step 2: Convert to fraction form
    3,544.86/5,317.30 = 1,351.80/x
  3. Step 3: Cross multiply
    3,544.86x = 5,317.30 × 1,351.80
  4. Step 4: Simplify right side
    3,544.86x = 7,187,926.14
  5. Step 5: Solve for x
    x = 7,187,926.14/3,544.86
  6. Step 6: Final answer
    x = 2,027.70

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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.