Home / 3,810.33-5,247.29-3,141.03

Finding the Fourth Proportional to 3,810.33, 5,247.29 and 3,141.03

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Solution

The fourth proportional to 3,810.33, 5,247.29 and 3,141.03 is: 4,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.33 : 5,247.29 = 3,141.03 : x
  2. Step 2: Convert to fraction form
    3,810.33/5,247.29 = 3,141.03/x
  3. Step 3: Cross multiply
    3,810.33x = 5,247.29 × 3,141.03
  4. Step 4: Simplify right side
    3,810.33x = 16,481,906.63
  5. Step 5: Solve for x
    x = 16,481,906.63/3,810.33
  6. Step 6: Final answer
    x = 4,325.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.