Home / 3,629.52-5,432.28-3,122.64

Finding the Fourth Proportional to 3,629.52, 5,432.28 and 3,122.64

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Solution

The fourth proportional to 3,629.52, 5,432.28 and 3,122.64 is: 4,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.52 : 5,432.28 = 3,122.64 : x
  2. Step 2: Convert to fraction form
    3,629.52/5,432.28 = 3,122.64/x
  3. Step 3: Cross multiply
    3,629.52x = 5,432.28 × 3,122.64
  4. Step 4: Simplify right side
    3,629.52x = 16,963,054.82
  5. Step 5: Solve for x
    x = 16,963,054.82/3,629.52
  6. Step 6: Final answer
    x = 4,673.64

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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.