Home / 3,924.07-5,392.17-3,136.75

Finding the Fourth Proportional to 3,924.07, 5,392.17 and 3,136.75

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Solution

The fourth proportional to 3,924.07, 5,392.17 and 3,136.75 is: 4,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.07 : 5,392.17 = 3,136.75 : x
  2. Step 2: Convert to fraction form
    3,924.07/5,392.17 = 3,136.75/x
  3. Step 3: Cross multiply
    3,924.07x = 5,392.17 × 3,136.75
  4. Step 4: Simplify right side
    3,924.07x = 16,913,889.25
  5. Step 5: Solve for x
    x = 16,913,889.25/3,924.07
  6. Step 6: Final answer
    x = 4,310.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.