Home / 2,186.38-3,274.74-1,571.29

Finding the Fourth Proportional to 2,186.38, 3,274.74 and 1,571.29

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Solution

The fourth proportional to 2,186.38, 3,274.74 and 1,571.29 is: 2,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.38 : 3,274.74 = 1,571.29 : x
  2. Step 2: Convert to fraction form
    2,186.38/3,274.74 = 1,571.29/x
  3. Step 3: Cross multiply
    2,186.38x = 3,274.74 × 1,571.29
  4. Step 4: Simplify right side
    2,186.38x = 5,145,566.21
  5. Step 5: Solve for x
    x = 5,145,566.21/2,186.38
  6. Step 6: Final answer
    x = 2,353.46

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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.