Home / 3,722.20-5,131.02-2,322.52

Finding the Fourth Proportional to 3,722.20, 5,131.02 and 2,322.52

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Solution

The fourth proportional to 3,722.20, 5,131.02 and 2,322.52 is: 3,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.20 : 5,131.02 = 2,322.52 : x
  2. Step 2: Convert to fraction form
    3,722.20/5,131.02 = 2,322.52/x
  3. Step 3: Cross multiply
    3,722.20x = 5,131.02 × 2,322.52
  4. Step 4: Simplify right side
    3,722.20x = 11,916,896.57
  5. Step 5: Solve for x
    x = 11,916,896.57/3,722.20
  6. Step 6: Final answer
    x = 3,201.57

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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.