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Finding the Fourth Proportional to 3,950.41, 5,923.41 and 1,317.20

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Solution

The fourth proportional to 3,950.41, 5,923.41 and 1,317.20 is: 1,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.41 : 5,923.41 = 1,317.20 : x
  2. Step 2: Convert to fraction form
    3,950.41/5,923.41 = 1,317.20/x
  3. Step 3: Cross multiply
    3,950.41x = 5,923.41 × 1,317.20
  4. Step 4: Simplify right side
    3,950.41x = 7,802,315.65
  5. Step 5: Solve for x
    x = 7,802,315.65/3,950.41
  6. Step 6: Final answer
    x = 1,975.06

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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.