Home / 3,782.53-5,676.41-1,317.37

Finding the Fourth Proportional to 3,782.53, 5,676.41 and 1,317.37

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Solution

The fourth proportional to 3,782.53, 5,676.41 and 1,317.37 is: 1,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.53 : 5,676.41 = 1,317.37 : x
  2. Step 2: Convert to fraction form
    3,782.53/5,676.41 = 1,317.37/x
  3. Step 3: Cross multiply
    3,782.53x = 5,676.41 × 1,317.37
  4. Step 4: Simplify right side
    3,782.53x = 7,477,925.65
  5. Step 5: Solve for x
    x = 7,477,925.65/3,782.53
  6. Step 6: Final answer
    x = 1,976.96

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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.