Home / 3,782.05-5,673.24-1,317.06

Finding the Fourth Proportional to 3,782.05, 5,673.24 and 1,317.06

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Solution

The fourth proportional to 3,782.05, 5,673.24 and 1,317.06 is: 1,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.05 : 5,673.24 = 1,317.06 : x
  2. Step 2: Convert to fraction form
    3,782.05/5,673.24 = 1,317.06/x
  3. Step 3: Cross multiply
    3,782.05x = 5,673.24 × 1,317.06
  4. Step 4: Simplify right side
    3,782.05x = 7,471,997.47
  5. Step 5: Solve for x
    x = 7,471,997.47/3,782.05
  6. Step 6: Final answer
    x = 1,975.65

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1.5x scale

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.