Home / 3,422.24-5,133.72-1,231.16

Finding the Fourth Proportional to 3,422.24, 5,133.72 and 1,231.16

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Solution

The fourth proportional to 3,422.24, 5,133.72 and 1,231.16 is: 1,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.24 : 5,133.72 = 1,231.16 : x
  2. Step 2: Convert to fraction form
    3,422.24/5,133.72 = 1,231.16/x
  3. Step 3: Cross multiply
    3,422.24x = 5,133.72 × 1,231.16
  4. Step 4: Simplify right side
    3,422.24x = 6,320,430.72
  5. Step 5: Solve for x
    x = 6,320,430.72/3,422.24
  6. Step 6: Final answer
    x = 1,846.87

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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.