Home / 3,629.36-5,432.16-2,398.16

Finding the Fourth Proportional to 3,629.36, 5,432.16 and 2,398.16

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Solution

The fourth proportional to 3,629.36, 5,432.16 and 2,398.16 is: 3,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.36 : 5,432.16 = 2,398.16 : x
  2. Step 2: Convert to fraction form
    3,629.36/5,432.16 = 2,398.16/x
  3. Step 3: Cross multiply
    3,629.36x = 5,432.16 × 2,398.16
  4. Step 4: Simplify right side
    3,629.36x = 13,027,188.83
  5. Step 5: Solve for x
    x = 13,027,188.83/3,629.36
  6. Step 6: Final answer
    x = 3,589.39

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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.